51576420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 171678528

約数和(自身を除く): 120102108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 331, 371, 420, 490, 530, 588, 636, 662, 735, 742, 795, 980, 993, 1060, 1113, 1324, 1470, 1484, 1590, 1655, 1855, 1986, 2226, 2317, 2597, 2940, 3180, 3310, 3710, 3972, 4452, 4634, 4965, 5194, 5565, 6620, 6951, 7420, 7791, 9268, 9930, 10388, 11130, 11585, 12985, 13902, 15582, 16219, 17543, 19860, 22260, 23170, 25970, 27804, 31164, 32438, 34755, 35086, 38955, 46340, 48657, 51940, 52629, 64876, 69510, 70172, 77910, 81095, 87715, 97314, 105258, 122801, 139020, 155820, 162190, 175430, 194628, 210516, 243285, 245602, 263145, 324380, 350860, 368403, 486570, 491204, 526290, 614005, 736806, 859607, 973140, 1052580, 1228010, 1473612, 1719214, 1842015, 2456020, 2578821, 3438428, 3684030, 4298035, 5157642, 7368060, 8596070, 10315284, 12894105, 17192140, 25788210, 51576420]

約数ペア:

[(1, 51576420), (2, 25788210), (3, 17192140), (4, 12894105), (5, 10315284), (6, 8596070), (7, 7368060), (10, 5157642), (12, 4298035), (14, 3684030), (15, 3438428), (20, 2578821), (21, 2456020), (28, 1842015), (30, 1719214), (35, 1473612), (42, 1228010), (49, 1052580), (53, 973140), (60, 859607), (70, 736806), (84, 614005), (98, 526290), (105, 491204), (106, 486570), (140, 368403), (147, 350860), (159, 324380), (196, 263145), (210, 245602), (212, 243285), (245, 210516), (265, 194628), (294, 175430), (318, 162190), (331, 155820), (371, 139020), (420, 122801), (490, 105258), (530, 97314), (588, 87715), (636, 81095), (662, 77910), (735, 70172), (742, 69510), (795, 64876), (980, 52629), (993, 51940), (1060, 48657), (1113, 46340), (1324, 38955), (1470, 35086), (1484, 34755), (1590, 32438), (1655, 31164), (1855, 27804), (1986, 25970), (2226, 23170), (2317, 22260), (2597, 19860), (2940, 17543), (3180, 16219), (3310, 15582), (3710, 13902), (3972, 12985), (4452, 11585), (4634, 11130), (4965, 10388), (5194, 9930), (5565, 9268), (6620, 7791), (6951, 7420)]