29975920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 83119680

約数和(自身を除く): 53143760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 37, 38, 40, 41, 52, 65, 74, 76, 80, 82, 95, 104, 130, 148, 152, 164, 185, 190, 205, 208, 247, 260, 296, 304, 328, 370, 380, 410, 481, 494, 520, 533, 592, 656, 703, 740, 760, 779, 820, 962, 988, 1040, 1066, 1235, 1406, 1480, 1517, 1520, 1558, 1640, 1924, 1976, 2132, 2405, 2470, 2665, 2812, 2960, 3034, 3116, 3280, 3515, 3848, 3895, 3952, 4264, 4810, 4940, 5330, 5624, 6068, 6232, 7030, 7585, 7696, 7790, 8528, 9139, 9620, 9880, 10127, 10660, 11248, 12136, 12464, 14060, 15170, 15580, 18278, 19240, 19721, 19760, 20254, 21320, 24272, 28120, 28823, 30340, 31160, 36556, 38480, 39442, 40508, 42640, 45695, 50635, 56240, 57646, 60680, 62320, 73112, 78884, 81016, 91390, 98605, 101270, 115292, 121360, 144115, 146224, 157768, 162032, 182780, 197210, 202540, 230584, 288230, 315536, 365560, 374699, 394420, 405080, 461168, 576460, 731120, 749398, 788840, 810160, 1152920, 1498796, 1577680, 1873495, 2305840, 2997592, 3746990, 5995184, 7493980, 14987960, 29975920]

約数ペア:

[(1, 29975920), (2, 14987960), (4, 7493980), (5, 5995184), (8, 3746990), (10, 2997592), (13, 2305840), (16, 1873495), (19, 1577680), (20, 1498796), (26, 1152920), (37, 810160), (38, 788840), (40, 749398), (41, 731120), (52, 576460), (65, 461168), (74, 405080), (76, 394420), (80, 374699), (82, 365560), (95, 315536), (104, 288230), (130, 230584), (148, 202540), (152, 197210), (164, 182780), (185, 162032), (190, 157768), (205, 146224), (208, 144115), (247, 121360), (260, 115292), (296, 101270), (304, 98605), (328, 91390), (370, 81016), (380, 78884), (410, 73112), (481, 62320), (494, 60680), (520, 57646), (533, 56240), (592, 50635), (656, 45695), (703, 42640), (740, 40508), (760, 39442), (779, 38480), (820, 36556), (962, 31160), (988, 30340), (1040, 28823), (1066, 28120), (1235, 24272), (1406, 21320), (1480, 20254), (1517, 19760), (1520, 19721), (1558, 19240), (1640, 18278), (1924, 15580), (1976, 15170), (2132, 14060), (2405, 12464), (2470, 12136), (2665, 11248), (2812, 10660), (2960, 10127), (3034, 9880), (3116, 9620), (3280, 9139), (3515, 8528), (3848, 7790), (3895, 7696), (3952, 7585), (4264, 7030), (4810, 6232), (4940, 6068), (5330, 5624)]