31928520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 104711040

約数和(自身を除く): 72782520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 211, 260, 291, 312, 388, 390, 422, 485, 520, 582, 633, 776, 780, 844, 970, 1055, 1164, 1261, 1266, 1455, 1560, 1688, 1940, 2110, 2328, 2522, 2532, 2743, 2910, 3165, 3783, 3880, 4220, 5044, 5064, 5486, 5820, 6305, 6330, 7566, 8229, 8440, 10088, 10972, 11640, 12610, 12660, 13715, 15132, 16458, 18915, 20467, 21944, 25220, 25320, 27430, 30264, 32916, 37830, 40934, 41145, 50440, 54860, 61401, 65832, 75660, 81868, 82290, 102335, 109720, 122802, 151320, 163736, 164580, 204670, 245604, 266071, 307005, 329160, 409340, 491208, 532142, 614010, 798213, 818680, 1064284, 1228020, 1330355, 1596426, 2128568, 2456040, 2660710, 3192852, 3991065, 5321420, 6385704, 7982130, 10642840, 15964260, 31928520]

約数ペア:

[(1, 31928520), (2, 15964260), (3, 10642840), (4, 7982130), (5, 6385704), (6, 5321420), (8, 3991065), (10, 3192852), (12, 2660710), (13, 2456040), (15, 2128568), (20, 1596426), (24, 1330355), (26, 1228020), (30, 1064284), (39, 818680), (40, 798213), (52, 614010), (60, 532142), (65, 491208), (78, 409340), (97, 329160), (104, 307005), (120, 266071), (130, 245604), (156, 204670), (194, 164580), (195, 163736), (211, 151320), (260, 122802), (291, 109720), (312, 102335), (388, 82290), (390, 81868), (422, 75660), (485, 65832), (520, 61401), (582, 54860), (633, 50440), (776, 41145), (780, 40934), (844, 37830), (970, 32916), (1055, 30264), (1164, 27430), (1261, 25320), (1266, 25220), (1455, 21944), (1560, 20467), (1688, 18915), (1940, 16458), (2110, 15132), (2328, 13715), (2522, 12660), (2532, 12610), (2743, 11640), (2910, 10972), (3165, 10088), (3783, 8440), (3880, 8229), (4220, 7566), (5044, 6330), (5064, 6305), (5486, 5820)]