2780216040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10304

約数の個数: 256

約数和(自身を含む): 10625126400

約数和(自身を除く): 7844910360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 255, 266, 280, 285, 323, 340, 357, 380, 399, 408, 420, 456, 476, 510, 532, 570, 595, 646, 665, 680, 714, 760, 798, 840, 952, 969, 1020, 1064, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1938, 1995, 2040, 2261, 2280, 2380, 2584, 2660, 2856, 3192, 3230, 3570, 3876, 3990, 4522, 4760, 4845, 5320, 6460, 6783, 7140, 7752, 7980, 9044, 9690, 10247, 11305, 12920, 13566, 14280, 15960, 18088, 19380, 20494, 22610, 27132, 30741, 33915, 38760, 40988, 45220, 51235, 54264, 61482, 67830, 71729, 81976, 90440, 102470, 122964, 135660, 143458, 153705, 174199, 194693, 204940, 215187, 245928, 271320, 286916, 307410, 348398, 358645, 389386, 409880, 430374, 522597, 573832, 584079, 614820, 696796, 717290, 778772, 860748, 870995, 973465, 1045194, 1075935, 1168158, 1219393, 1229640, 1362851, 1393592, 1434580, 1557544, 1721496, 1741990, 1946930, 2090388, 2151870, 2336316, 2438786, 2612985, 2725702, 2869160, 2920395, 3309781, 3483980, 3658179, 3893860, 4088553, 4180776, 4303740, 4672632, 4877572, 5225970, 5451404, 5840790, 6096965, 6619562, 6814255, 6967960, 7316358, 7787720, 8177106, 8607480, 9755144, 9929343, 10451940, 10902808, 11681580, 12193930, 13239124, 13628510, 14632716, 16354212, 16548905, 18290895, 19858686, 20442765, 20903880, 23168467, 23363160, 24387860, 26478248, 27257020, 29265432, 32708424, 33097810, 36581790, 39717372, 40885530, 46336934, 48775720, 49646715, 54514040, 66195620, 69505401, 73163580, 79434744, 81771060, 92673868, 99293430, 115842335, 132391240, 139010802, 146327160, 163542120, 185347736, 198586860, 231684670, 278021604, 347527005, 397173720, 463369340, 556043208, 695054010, 926738680, 1390108020, 2780216040]

約数ペア:

[(1, 2780216040), (2, 1390108020), (3, 926738680), (4, 695054010), (5, 556043208), (6, 463369340), (7, 397173720), (8, 347527005), (10, 278021604), (12, 231684670), (14, 198586860), (15, 185347736), (17, 163542120), (19, 146327160), (20, 139010802), (21, 132391240), (24, 115842335), (28, 99293430), (30, 92673868), (34, 81771060), (35, 79434744), (38, 73163580), (40, 69505401), (42, 66195620), (51, 54514040), (56, 49646715), (57, 48775720), (60, 46336934), (68, 40885530), (70, 39717372), (76, 36581790), (84, 33097810), (85, 32708424), (95, 29265432), (102, 27257020), (105, 26478248), (114, 24387860), (119, 23363160), (120, 23168467), (133, 20903880), (136, 20442765), (140, 19858686), (152, 18290895), (168, 16548905), (170, 16354212), (190, 14632716), (204, 13628510), (210, 13239124), (228, 12193930), (238, 11681580), (255, 10902808), (266, 10451940), (280, 9929343), (285, 9755144), (323, 8607480), (340, 8177106), (357, 7787720), (380, 7316358), (399, 6967960), (408, 6814255), (420, 6619562), (456, 6096965), (476, 5840790), (510, 5451404), (532, 5225970), (570, 4877572), (595, 4672632), (646, 4303740), (665, 4180776), (680, 4088553), (714, 3893860), (760, 3658179), (798, 3483980), (840, 3309781), (952, 2920395), (969, 2869160), (1020, 2725702), (1064, 2612985), (1140, 2438786), (1190, 2336316), (1292, 2151870), (1330, 2090388), (1428, 1946930), (1596, 1741990), (1615, 1721496), (1785, 1557544), (1938, 1434580), (1995, 1393592), (2040, 1362851), (2261, 1229640), (2280, 1219393), (2380, 1168158), (2584, 1075935), (2660, 1045194), (2856, 973465), (3192, 870995), (3230, 860748), (3570, 778772), (3876, 717290), (3990, 696796), (4522, 614820), (4760, 584079), (4845, 573832), (5320, 522597), (6460, 430374), (6783, 409880), (7140, 389386), (7752, 358645), (7980, 348398), (9044, 307410), (9690, 286916), (10247, 271320), (11305, 245928), (12920, 215187), (13566, 204940), (14280, 194693), (15960, 174199), (18088, 153705), (19380, 143458), (20494, 135660), (22610, 122964), (27132, 102470), (30741, 90440), (33915, 81976), (38760, 71729), (40988, 67830), (45220, 61482), (51235, 54264)]