645616004120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{8963}}^1$

素因数の和:9645

約数の個数: 128

約数和(自身を含む): 1507176123840

約数和(自身を除く): 861560119720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 557, 610, 1060, 1114, 1220, 2120, 2228, 2440, 2785, 3233, 4456, 5570, 6466, 8963, 11140, 12932, 16165, 17926, 22280, 25864, 29521, 32330, 33977, 35852, 44815, 59042, 64660, 67954, 71704, 89630, 118084, 129320, 135908, 147605, 169885, 179260, 236168, 271816, 295210, 339770, 358520, 475039, 546743, 590420, 679540, 950078, 1093486, 1180840, 1359080, 1800781, 1900156, 2186972, 2375195, 2733715, 3601562, 3800312, 4373944, 4750390, 4992391, 5467430, 7203124, 9003905, 9500780, 9984782, 10934860, 14406248, 18007810, 19001560, 19969564, 21869720, 24961955, 28977379, 36015620, 39939128, 49923910, 57954758, 72031240, 99847820, 115909516, 144886895, 199695640, 231819032, 264596723, 289773790, 304535851, 529193446, 579547580, 609071702, 1058386892, 1159095160, 1218143404, 1322983615, 1522679255, 2116773784, 2436286808, 2645967230, 3045358510, 5291934460, 6090717020, 10583868920, 12181434040, 16140400103, 32280800206, 64561600412, 80702000515, 129123200824, 161404001030, 322808002060, 645616004120]

約数ペア:

[(1, 645616004120), (2, 322808002060), (4, 161404001030), (5, 129123200824), (8, 80702000515), (10, 64561600412), (20, 32280800206), (40, 16140400103), (53, 12181434040), (61, 10583868920), (106, 6090717020), (122, 5291934460), (212, 3045358510), (244, 2645967230), (265, 2436286808), (305, 2116773784), (424, 1522679255), (488, 1322983615), (530, 1218143404), (557, 1159095160), (610, 1058386892), (1060, 609071702), (1114, 579547580), (1220, 529193446), (2120, 304535851), (2228, 289773790), (2440, 264596723), (2785, 231819032), (3233, 199695640), (4456, 144886895), (5570, 115909516), (6466, 99847820), (8963, 72031240), (11140, 57954758), (12932, 49923910), (16165, 39939128), (17926, 36015620), (22280, 28977379), (25864, 24961955), (29521, 21869720), (32330, 19969564), (33977, 19001560), (35852, 18007810), (44815, 14406248), (59042, 10934860), (64660, 9984782), (67954, 9500780), (71704, 9003905), (89630, 7203124), (118084, 5467430), (129320, 4992391), (135908, 4750390), (147605, 4373944), (169885, 3800312), (179260, 3601562), (236168, 2733715), (271816, 2375195), (295210, 2186972), (339770, 1900156), (358520, 1800781), (475039, 1359080), (546743, 1180840), (590420, 1093486), (679540, 950078)]