61980030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:902

約数の個数: 96

約数和(自身を含む): 185822208

約数和(自身を除く): 123842178

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 131, 210, 262, 315, 393, 630, 655, 751, 786, 917, 1179, 1310, 1502, 1834, 1965, 2253, 2358, 2751, 3755, 3930, 4506, 4585, 5257, 5502, 5895, 6759, 7510, 8253, 9170, 10514, 11265, 11790, 13518, 13755, 15771, 16506, 22530, 26285, 27510, 31542, 33795, 41265, 47313, 52570, 67590, 78855, 82530, 94626, 98381, 157710, 196762, 236565, 295143, 473130, 491905, 590286, 688667, 885429, 983810, 1377334, 1475715, 1770858, 2066001, 2951430, 3443335, 4132002, 4427145, 6198003, 6886670, 8854290, 10330005, 12396006, 20660010, 30990015, 61980030]

約数ペア:

[(1, 61980030), (2, 30990015), (3, 20660010), (5, 12396006), (6, 10330005), (7, 8854290), (9, 6886670), (10, 6198003), (14, 4427145), (15, 4132002), (18, 3443335), (21, 2951430), (30, 2066001), (35, 1770858), (42, 1475715), (45, 1377334), (63, 983810), (70, 885429), (90, 688667), (105, 590286), (126, 491905), (131, 473130), (210, 295143), (262, 236565), (315, 196762), (393, 157710), (630, 98381), (655, 94626), (751, 82530), (786, 78855), (917, 67590), (1179, 52570), (1310, 47313), (1502, 41265), (1834, 33795), (1965, 31542), (2253, 27510), (2358, 26285), (2751, 22530), (3755, 16506), (3930, 15771), (4506, 13755), (4585, 13518), (5257, 11790), (5502, 11265), (5895, 10514), (6759, 9170), (7510, 8253)]