215440980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 618928128

約数和(自身を除く): 403487148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 103, 142, 206, 213, 284, 309, 355, 412, 426, 491, 515, 618, 710, 852, 982, 1030, 1065, 1236, 1420, 1473, 1545, 1964, 2060, 2130, 2455, 2946, 3090, 4260, 4910, 5892, 6180, 7313, 7365, 9820, 14626, 14730, 21939, 29252, 29460, 34861, 36565, 43878, 50573, 69722, 73130, 87756, 101146, 104583, 109695, 139444, 146260, 151719, 174305, 202292, 209166, 219390, 252865, 303438, 348610, 418332, 438780, 505730, 522915, 606876, 697220, 758595, 1011460, 1045830, 1517190, 2091660, 3034380, 3590683, 7181366, 10772049, 14362732, 17953415, 21544098, 35906830, 43088196, 53860245, 71813660, 107720490, 215440980]

約数ペア:

[(1, 215440980), (2, 107720490), (3, 71813660), (4, 53860245), (5, 43088196), (6, 35906830), (10, 21544098), (12, 17953415), (15, 14362732), (20, 10772049), (30, 7181366), (60, 3590683), (71, 3034380), (103, 2091660), (142, 1517190), (206, 1045830), (213, 1011460), (284, 758595), (309, 697220), (355, 606876), (412, 522915), (426, 505730), (491, 438780), (515, 418332), (618, 348610), (710, 303438), (852, 252865), (982, 219390), (1030, 209166), (1065, 202292), (1236, 174305), (1420, 151719), (1473, 146260), (1545, 139444), (1964, 109695), (2060, 104583), (2130, 101146), (2455, 87756), (2946, 73130), (3090, 69722), (4260, 50573), (4910, 43878), (5892, 36565), (6180, 34861), (7313, 29460), (7365, 29252), (9820, 21939), (14626, 14730)]