131478480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1418

約数の個数: 240

約数和(自身を含む): 531573120

約数和(自身を除く): 400094640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1373, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 2746, 3192, 3420, 3990, 4119, 4560, 4788, 5040, 5320, 5492, 5985, 6384, 6840, 6865, 7980, 8238, 9576, 9611, 10640, 10984, 11970, 12357, 13680, 13730, 15960, 16476, 19152, 19222, 20595, 21968, 23940, 24714, 26087, 27460, 28833, 31920, 32952, 38444, 41190, 47880, 48055, 49428, 52174, 54920, 57666, 61785, 65904, 76888, 78261, 82380, 86499, 95760, 96110, 98856, 104348, 109840, 115332, 123570, 130435, 144165, 153776, 156522, 164760, 172998, 182609, 192220, 197712, 208696, 230664, 234783, 247140, 260870, 288330, 313044, 329520, 345996, 365218, 384440, 391305, 417392, 432495, 461328, 469566, 494280, 521740, 547827, 576660, 626088, 691992, 730436, 768880, 782610, 864990, 913045, 939132, 988560, 1043480, 1095654, 1153320, 1173915, 1252176, 1383984, 1460872, 1565220, 1643481, 1729980, 1826090, 1878264, 2086960, 2191308, 2306640, 2347830, 2739135, 2921744, 3130440, 3286962, 3459960, 3652180, 3756528, 4382616, 4695660, 5478270, 6260880, 6573924, 6919920, 7304360, 8217405, 8765232, 9391320, 10956540, 13147848, 14608720, 16434810, 18782640, 21913080, 26295696, 32869620, 43826160, 65739240, 131478480]

約数ペア:

[(1, 131478480), (2, 65739240), (3, 43826160), (4, 32869620), (5, 26295696), (6, 21913080), (7, 18782640), (8, 16434810), (9, 14608720), (10, 13147848), (12, 10956540), (14, 9391320), (15, 8765232), (16, 8217405), (18, 7304360), (19, 6919920), (20, 6573924), (21, 6260880), (24, 5478270), (28, 4695660), (30, 4382616), (35, 3756528), (36, 3652180), (38, 3459960), (40, 3286962), (42, 3130440), (45, 2921744), (48, 2739135), (56, 2347830), (57, 2306640), (60, 2191308), (63, 2086960), (70, 1878264), (72, 1826090), (76, 1729980), (80, 1643481), (84, 1565220), (90, 1460872), (95, 1383984), (105, 1252176), (112, 1173915), (114, 1153320), (120, 1095654), (126, 1043480), (133, 988560), (140, 939132), (144, 913045), (152, 864990), (168, 782610), (171, 768880), (180, 730436), (190, 691992), (210, 626088), (228, 576660), (240, 547827), (252, 521740), (266, 494280), (280, 469566), (285, 461328), (304, 432495), (315, 417392), (336, 391305), (342, 384440), (360, 365218), (380, 345996), (399, 329520), (420, 313044), (456, 288330), (504, 260870), (532, 247140), (560, 234783), (570, 230664), (630, 208696), (665, 197712), (684, 192220), (720, 182609), (760, 172998), (798, 164760), (840, 156522), (855, 153776), (912, 144165), (1008, 130435), (1064, 123570), (1140, 115332), (1197, 109840), (1260, 104348), (1330, 98856), (1368, 96110), (1373, 95760), (1520, 86499), (1596, 82380), (1680, 78261), (1710, 76888), (1995, 65904), (2128, 61785), (2280, 57666), (2394, 54920), (2520, 52174), (2660, 49428), (2736, 48055), (2746, 47880), (3192, 41190), (3420, 38444), (3990, 32952), (4119, 31920), (4560, 28833), (4788, 27460), (5040, 26087), (5320, 24714), (5492, 23940), (5985, 21968), (6384, 20595), (6840, 19222), (6865, 19152), (7980, 16476), (8238, 15960), (9576, 13730), (9611, 13680), (10640, 12357), (10984, 11970)]