90398340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8233}}^1$

素因数の和:8309

約数の個数: 72

約数和(自身を含む): 278737368

約数和(自身を除く): 188339028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 8233, 10980, 16466, 24699, 32932, 41165, 49398, 74097, 82330, 98796, 123495, 148194, 164660, 246990, 296388, 370485, 493980, 502213, 740970, 1004426, 1481940, 1506639, 2008852, 2511065, 3013278, 4519917, 5022130, 6026556, 7533195, 9039834, 10044260, 15066390, 18079668, 22599585, 30132780, 45199170, 90398340]

約数ペア:

[(1, 90398340), (2, 45199170), (3, 30132780), (4, 22599585), (5, 18079668), (6, 15066390), (9, 10044260), (10, 9039834), (12, 7533195), (15, 6026556), (18, 5022130), (20, 4519917), (30, 3013278), (36, 2511065), (45, 2008852), (60, 1506639), (61, 1481940), (90, 1004426), (122, 740970), (180, 502213), (183, 493980), (244, 370485), (305, 296388), (366, 246990), (549, 164660), (610, 148194), (732, 123495), (915, 98796), (1098, 82330), (1220, 74097), (1830, 49398), (2196, 41165), (2745, 32932), (3660, 24699), (5490, 16466), (8233, 10980)]