6913980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 21307104

約数和(自身を除く): 14393124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 541, 639, 710, 852, 1065, 1082, 1278, 1420, 1623, 2130, 2164, 2556, 2705, 3195, 3246, 4260, 4869, 5410, 6390, 6492, 8115, 9738, 10820, 12780, 16230, 19476, 24345, 32460, 38411, 48690, 76822, 97380, 115233, 153644, 192055, 230466, 345699, 384110, 460932, 576165, 691398, 768220, 1152330, 1382796, 1728495, 2304660, 3456990, 6913980]

約数ペア:

[(1, 6913980), (2, 3456990), (3, 2304660), (4, 1728495), (5, 1382796), (6, 1152330), (9, 768220), (10, 691398), (12, 576165), (15, 460932), (18, 384110), (20, 345699), (30, 230466), (36, 192055), (45, 153644), (60, 115233), (71, 97380), (90, 76822), (142, 48690), (180, 38411), (213, 32460), (284, 24345), (355, 19476), (426, 16230), (541, 12780), (639, 10820), (710, 9738), (852, 8115), (1065, 6492), (1082, 6390), (1278, 5410), (1420, 4869), (1623, 4260), (2130, 3246), (2164, 3195), (2556, 2705)]