40657890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 122798592

約数和(自身を除く): 82140702

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 53, 65, 70, 78, 91, 105, 106, 130, 159, 182, 195, 210, 265, 273, 281, 318, 371, 390, 455, 530, 546, 562, 689, 742, 795, 843, 910, 1113, 1365, 1378, 1405, 1590, 1686, 1855, 1967, 2067, 2226, 2730, 2810, 3445, 3653, 3710, 3934, 4134, 4215, 4823, 5565, 5901, 6890, 7306, 8430, 9646, 9835, 10335, 10959, 11130, 11802, 14469, 14893, 18265, 19670, 20670, 21918, 24115, 25571, 28938, 29505, 29786, 36530, 44679, 48230, 51142, 54795, 59010, 72345, 74465, 76713, 89358, 104251, 109590, 127855, 144690, 148930, 153426, 193609, 208502, 223395, 255710, 312753, 383565, 387218, 446790, 521255, 580827, 625506, 767130, 968045, 1042510, 1161654, 1355263, 1563765, 1936090, 2710526, 2904135, 3127530, 4065789, 5808270, 6776315, 8131578, 13552630, 20328945, 40657890]

約数ペア:

[(1, 40657890), (2, 20328945), (3, 13552630), (5, 8131578), (6, 6776315), (7, 5808270), (10, 4065789), (13, 3127530), (14, 2904135), (15, 2710526), (21, 1936090), (26, 1563765), (30, 1355263), (35, 1161654), (39, 1042510), (42, 968045), (53, 767130), (65, 625506), (70, 580827), (78, 521255), (91, 446790), (105, 387218), (106, 383565), (130, 312753), (159, 255710), (182, 223395), (195, 208502), (210, 193609), (265, 153426), (273, 148930), (281, 144690), (318, 127855), (371, 109590), (390, 104251), (455, 89358), (530, 76713), (546, 74465), (562, 72345), (689, 59010), (742, 54795), (795, 51142), (843, 48230), (910, 44679), (1113, 36530), (1365, 29786), (1378, 29505), (1405, 28938), (1590, 25571), (1686, 24115), (1855, 21918), (1967, 20670), (2067, 19670), (2226, 18265), (2730, 14893), (2810, 14469), (3445, 11802), (3653, 11130), (3710, 10959), (3934, 10335), (4134, 9835), (4215, 9646), (4823, 8430), (5565, 7306), (5901, 6890)]