161617560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 525692160

約数和(自身を除く): 364074600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 211, 260, 312, 390, 422, 491, 520, 633, 780, 844, 982, 1055, 1266, 1473, 1560, 1688, 1964, 2110, 2455, 2532, 2743, 2946, 3165, 3928, 4220, 4910, 5064, 5486, 5892, 6330, 6383, 7365, 8229, 8440, 9820, 10972, 11784, 12660, 12766, 13715, 14730, 16458, 19149, 19640, 21944, 25320, 25532, 27430, 29460, 31915, 32916, 38298, 41145, 51064, 54860, 58920, 63830, 65832, 76596, 82290, 95745, 103601, 109720, 127660, 153192, 164580, 191490, 207202, 255320, 310803, 329160, 382980, 414404, 518005, 621606, 765960, 828808, 1036010, 1243212, 1346813, 1554015, 2072020, 2486424, 2693626, 3108030, 4040439, 4144040, 5387252, 6216060, 6734065, 8080878, 10774504, 12432120, 13468130, 16161756, 20202195, 26936260, 32323512, 40404390, 53872520, 80808780, 161617560]

約数ペア:

[(1, 161617560), (2, 80808780), (3, 53872520), (4, 40404390), (5, 32323512), (6, 26936260), (8, 20202195), (10, 16161756), (12, 13468130), (13, 12432120), (15, 10774504), (20, 8080878), (24, 6734065), (26, 6216060), (30, 5387252), (39, 4144040), (40, 4040439), (52, 3108030), (60, 2693626), (65, 2486424), (78, 2072020), (104, 1554015), (120, 1346813), (130, 1243212), (156, 1036010), (195, 828808), (211, 765960), (260, 621606), (312, 518005), (390, 414404), (422, 382980), (491, 329160), (520, 310803), (633, 255320), (780, 207202), (844, 191490), (982, 164580), (1055, 153192), (1266, 127660), (1473, 109720), (1560, 103601), (1688, 95745), (1964, 82290), (2110, 76596), (2455, 65832), (2532, 63830), (2743, 58920), (2946, 54860), (3165, 51064), (3928, 41145), (4220, 38298), (4910, 32916), (5064, 31915), (5486, 29460), (5892, 27430), (6330, 25532), (6383, 25320), (7365, 21944), (8229, 19640), (8440, 19149), (9820, 16458), (10972, 14730), (11784, 13715), (12660, 12766)]