640058160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 320

約数和(自身を含む): 2441843712

約数和(自身を除く): 1801785552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 73, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 146, 168, 170, 204, 210, 219, 238, 240, 255, 272, 280, 292, 307, 336, 340, 357, 365, 408, 420, 438, 476, 510, 511, 560, 584, 595, 614, 680, 714, 730, 816, 840, 876, 921, 952, 1020, 1022, 1095, 1168, 1190, 1228, 1241, 1360, 1428, 1460, 1533, 1535, 1680, 1752, 1785, 1842, 1904, 2040, 2044, 2149, 2190, 2380, 2456, 2482, 2555, 2856, 2920, 3066, 3070, 3504, 3570, 3684, 3723, 4080, 4088, 4298, 4380, 4605, 4760, 4912, 4964, 5110, 5219, 5712, 5840, 6132, 6140, 6205, 6447, 7140, 7368, 7446, 7665, 8176, 8596, 8687, 8760, 9210, 9520, 9928, 10220, 10438, 10745, 12264, 12280, 12410, 12894, 14280, 14736, 14892, 15330, 15657, 17192, 17374, 17520, 18420, 18615, 19856, 20440, 20876, 21490, 22411, 24528, 24560, 24820, 25788, 26061, 26095, 28560, 29784, 30660, 31314, 32235, 34384, 34748, 36533, 36840, 37230, 40880, 41752, 42980, 43435, 44822, 49640, 51576, 52122, 52190, 59568, 61320, 62628, 64470, 67233, 69496, 73066, 73680, 74460, 78285, 83504, 85960, 86870, 89644, 99280, 103152, 104244, 104380, 109599, 112055, 122640, 125256, 128940, 130305, 134466, 138992, 146132, 148920, 156570, 156877, 171920, 173740, 179288, 182665, 208488, 208760, 219198, 224110, 250512, 257880, 260610, 268932, 292264, 297840, 313140, 313754, 336165, 347480, 358576, 365330, 380987, 416976, 417520, 438396, 448220, 470631, 515760, 521220, 537864, 547995, 584528, 626280, 627508, 672330, 694960, 730660, 761974, 784385, 876792, 896440, 941262, 1042440, 1075728, 1095990, 1142961, 1252560, 1255016, 1344660, 1461320, 1523948, 1568770, 1753584, 1792880, 1882524, 1904935, 2084880, 2191980, 2285922, 2353155, 2510032, 2666909, 2689320, 2922640, 3047896, 3137540, 3765048, 3809870, 4383960, 4571844, 4706310, 5333818, 5378640, 5714805, 6095792, 6275080, 7530096, 7619740, 8000727, 8767920, 9143688, 9412620, 10667636, 11429610, 12550160, 13334545, 15239480, 16001454, 18287376, 18825240, 21335272, 22859220, 26669090, 30478960, 32002908, 37650480, 40003635, 42670544, 45718440, 53338180, 64005816, 80007270, 91436880, 106676360, 128011632, 160014540, 213352720, 320029080, 640058160]

約数ペア:

[(1, 640058160), (2, 320029080), (3, 213352720), (4, 160014540), (5, 128011632), (6, 106676360), (7, 91436880), (8, 80007270), (10, 64005816), (12, 53338180), (14, 45718440), (15, 42670544), (16, 40003635), (17, 37650480), (20, 32002908), (21, 30478960), (24, 26669090), (28, 22859220), (30, 21335272), (34, 18825240), (35, 18287376), (40, 16001454), (42, 15239480), (48, 13334545), (51, 12550160), (56, 11429610), (60, 10667636), (68, 9412620), (70, 9143688), (73, 8767920), (80, 8000727), (84, 7619740), (85, 7530096), (102, 6275080), (105, 6095792), (112, 5714805), (119, 5378640), (120, 5333818), (136, 4706310), (140, 4571844), (146, 4383960), (168, 3809870), (170, 3765048), (204, 3137540), (210, 3047896), (219, 2922640), (238, 2689320), (240, 2666909), (255, 2510032), (272, 2353155), (280, 2285922), (292, 2191980), (307, 2084880), (336, 1904935), (340, 1882524), (357, 1792880), (365, 1753584), (408, 1568770), (420, 1523948), (438, 1461320), (476, 1344660), (510, 1255016), (511, 1252560), (560, 1142961), (584, 1095990), (595, 1075728), (614, 1042440), (680, 941262), (714, 896440), (730, 876792), (816, 784385), (840, 761974), (876, 730660), (921, 694960), (952, 672330), (1020, 627508), (1022, 626280), (1095, 584528), (1168, 547995), (1190, 537864), (1228, 521220), (1241, 515760), (1360, 470631), (1428, 448220), (1460, 438396), (1533, 417520), (1535, 416976), (1680, 380987), (1752, 365330), (1785, 358576), (1842, 347480), (1904, 336165), (2040, 313754), (2044, 313140), (2149, 297840), (2190, 292264), (2380, 268932), (2456, 260610), (2482, 257880), (2555, 250512), (2856, 224110), (2920, 219198), (3066, 208760), (3070, 208488), (3504, 182665), (3570, 179288), (3684, 173740), (3723, 171920), (4080, 156877), (4088, 156570), (4298, 148920), (4380, 146132), (4605, 138992), (4760, 134466), (4912, 130305), (4964, 128940), (5110, 125256), (5219, 122640), (5712, 112055), (5840, 109599), (6132, 104380), (6140, 104244), (6205, 103152), (6447, 99280), (7140, 89644), (7368, 86870), (7446, 85960), (7665, 83504), (8176, 78285), (8596, 74460), (8687, 73680), (8760, 73066), (9210, 69496), (9520, 67233), (9928, 64470), (10220, 62628), (10438, 61320), (10745, 59568), (12264, 52190), (12280, 52122), (12410, 51576), (12894, 49640), (14280, 44822), (14736, 43435), (14892, 42980), (15330, 41752), (15657, 40880), (17192, 37230), (17374, 36840), (17520, 36533), (18420, 34748), (18615, 34384), (19856, 32235), (20440, 31314), (20876, 30660), (21490, 29784), (22411, 28560), (24528, 26095), (24560, 26061), (24820, 25788)]