1231788720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9803

約数の個数: 160

約数和(自身を含む): 4174018560

約数和(自身を除く): 2942229840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2480, 2635, 3162, 3720, 4080, 4216, 5270, 6324, 7440, 7905, 8432, 9739, 10540, 12648, 15810, 19478, 21080, 25296, 29217, 31620, 38956, 42160, 48695, 58434, 63240, 77912, 97390, 116868, 126480, 146085, 155824, 165563, 194780, 233736, 292170, 301909, 331126, 389560, 467472, 496689, 584340, 603818, 662252, 779120, 827815, 905727, 993378, 1168680, 1207636, 1324504, 1509545, 1655630, 1811454, 1986756, 2337360, 2415272, 2483445, 2649008, 3019090, 3311260, 3622908, 3973512, 4528635, 4830544, 4966890, 5132453, 6038180, 6622520, 7245816, 7947024, 9057270, 9933780, 10264906, 12076360, 13245040, 14491632, 15397359, 18114540, 19867560, 20529812, 24152720, 25662265, 30794718, 36229080, 39735120, 41059624, 51324530, 61589436, 72458160, 76986795, 82119248, 102649060, 123178872, 153973590, 205298120, 246357744, 307947180, 410596240, 615894360, 1231788720]

約数ペア:

[(1, 1231788720), (2, 615894360), (3, 410596240), (4, 307947180), (5, 246357744), (6, 205298120), (8, 153973590), (10, 123178872), (12, 102649060), (15, 82119248), (16, 76986795), (17, 72458160), (20, 61589436), (24, 51324530), (30, 41059624), (31, 39735120), (34, 36229080), (40, 30794718), (48, 25662265), (51, 24152720), (60, 20529812), (62, 19867560), (68, 18114540), (80, 15397359), (85, 14491632), (93, 13245040), (102, 12076360), (120, 10264906), (124, 9933780), (136, 9057270), (155, 7947024), (170, 7245816), (186, 6622520), (204, 6038180), (240, 5132453), (248, 4966890), (255, 4830544), (272, 4528635), (310, 3973512), (340, 3622908), (372, 3311260), (408, 3019090), (465, 2649008), (496, 2483445), (510, 2415272), (527, 2337360), (620, 1986756), (680, 1811454), (744, 1655630), (816, 1509545), (930, 1324504), (1020, 1207636), (1054, 1168680), (1240, 993378), (1360, 905727), (1488, 827815), (1581, 779120), (1860, 662252), (2040, 603818), (2108, 584340), (2480, 496689), (2635, 467472), (3162, 389560), (3720, 331126), (4080, 301909), (4216, 292170), (5270, 233736), (6324, 194780), (7440, 165563), (7905, 155824), (8432, 146085), (9739, 126480), (10540, 116868), (12648, 97390), (15810, 77912), (19478, 63240), (21080, 58434), (25296, 48695), (29217, 42160), (31620, 38956)]