30140040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 105442560

約数和(自身を除く): 75302520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 677, 742, 795, 840, 1060, 1113, 1272, 1354, 1484, 1590, 1855, 2031, 2120, 2226, 2708, 2968, 3180, 3385, 3710, 4062, 4452, 4739, 5416, 5565, 6360, 6770, 7420, 8124, 8904, 9478, 10155, 11130, 13540, 14217, 14840, 16248, 18956, 20310, 22260, 23695, 27080, 28434, 35881, 37912, 40620, 44520, 47390, 56868, 71085, 71762, 81240, 94780, 107643, 113736, 142170, 143524, 179405, 189560, 215286, 251167, 284340, 287048, 358810, 430572, 502334, 538215, 568680, 717620, 753501, 861144, 1004668, 1076430, 1255835, 1435240, 1507002, 2009336, 2152860, 2511670, 3014004, 3767505, 4305720, 5023340, 6028008, 7535010, 10046680, 15070020, 30140040]

約数ペア:

[(1, 30140040), (2, 15070020), (3, 10046680), (4, 7535010), (5, 6028008), (6, 5023340), (7, 4305720), (8, 3767505), (10, 3014004), (12, 2511670), (14, 2152860), (15, 2009336), (20, 1507002), (21, 1435240), (24, 1255835), (28, 1076430), (30, 1004668), (35, 861144), (40, 753501), (42, 717620), (53, 568680), (56, 538215), (60, 502334), (70, 430572), (84, 358810), (105, 287048), (106, 284340), (120, 251167), (140, 215286), (159, 189560), (168, 179405), (210, 143524), (212, 142170), (265, 113736), (280, 107643), (318, 94780), (371, 81240), (420, 71762), (424, 71085), (530, 56868), (636, 47390), (677, 44520), (742, 40620), (795, 37912), (840, 35881), (1060, 28434), (1113, 27080), (1272, 23695), (1354, 22260), (1484, 20310), (1590, 18956), (1855, 16248), (2031, 14840), (2120, 14217), (2226, 13540), (2708, 11130), (2968, 10155), (3180, 9478), (3385, 8904), (3710, 8124), (4062, 7420), (4452, 6770), (4739, 6360), (5416, 5565)]