19775760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 67174272

約数和(自身を除く): 47398512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 37, 40, 48, 51, 60, 68, 74, 80, 85, 102, 111, 120, 131, 136, 148, 170, 185, 204, 222, 240, 255, 262, 272, 296, 340, 370, 393, 408, 444, 510, 524, 555, 592, 629, 655, 680, 740, 786, 816, 888, 1020, 1048, 1110, 1258, 1310, 1360, 1480, 1572, 1776, 1887, 1965, 2040, 2096, 2220, 2227, 2516, 2620, 2960, 3144, 3145, 3774, 3930, 4080, 4440, 4454, 4847, 5032, 5240, 6288, 6290, 6681, 7548, 7860, 8880, 8908, 9435, 9694, 10064, 10480, 11135, 12580, 13362, 14541, 15096, 15720, 17816, 18870, 19388, 22270, 24235, 25160, 26724, 29082, 30192, 31440, 33405, 35632, 37740, 38776, 44540, 48470, 50320, 53448, 58164, 66810, 72705, 75480, 77552, 82399, 89080, 96940, 106896, 116328, 133620, 145410, 150960, 164798, 178160, 193880, 232656, 247197, 267240, 290820, 329596, 387760, 411995, 494394, 534480, 581640, 659192, 823990, 988788, 1163280, 1235985, 1318384, 1647980, 1977576, 2471970, 3295960, 3955152, 4943940, 6591920, 9887880, 19775760]

約数ペア:

[(1, 19775760), (2, 9887880), (3, 6591920), (4, 4943940), (5, 3955152), (6, 3295960), (8, 2471970), (10, 1977576), (12, 1647980), (15, 1318384), (16, 1235985), (17, 1163280), (20, 988788), (24, 823990), (30, 659192), (34, 581640), (37, 534480), (40, 494394), (48, 411995), (51, 387760), (60, 329596), (68, 290820), (74, 267240), (80, 247197), (85, 232656), (102, 193880), (111, 178160), (120, 164798), (131, 150960), (136, 145410), (148, 133620), (170, 116328), (185, 106896), (204, 96940), (222, 89080), (240, 82399), (255, 77552), (262, 75480), (272, 72705), (296, 66810), (340, 58164), (370, 53448), (393, 50320), (408, 48470), (444, 44540), (510, 38776), (524, 37740), (555, 35632), (592, 33405), (629, 31440), (655, 30192), (680, 29082), (740, 26724), (786, 25160), (816, 24235), (888, 22270), (1020, 19388), (1048, 18870), (1110, 17816), (1258, 15720), (1310, 15096), (1360, 14541), (1480, 13362), (1572, 12580), (1776, 11135), (1887, 10480), (1965, 10064), (2040, 9694), (2096, 9435), (2220, 8908), (2227, 8880), (2516, 7860), (2620, 7548), (2960, 6681), (3144, 6290), (3145, 6288), (3774, 5240), (3930, 5032), (4080, 4847), (4440, 4454)]