634140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 2079168

約数和(自身を除く): 1445028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 271, 390, 468, 542, 585, 780, 813, 1084, 1170, 1355, 1626, 2340, 2439, 2710, 3252, 3523, 4065, 4878, 5420, 7046, 8130, 9756, 10569, 12195, 14092, 16260, 17615, 21138, 24390, 31707, 35230, 42276, 48780, 52845, 63414, 70460, 105690, 126828, 158535, 211380, 317070, 634140]

約数ペア:

[(1, 634140), (2, 317070), (3, 211380), (4, 158535), (5, 126828), (6, 105690), (9, 70460), (10, 63414), (12, 52845), (13, 48780), (15, 42276), (18, 35230), (20, 31707), (26, 24390), (30, 21138), (36, 17615), (39, 16260), (45, 14092), (52, 12195), (60, 10569), (65, 9756), (78, 8130), (90, 7046), (117, 5420), (130, 4878), (156, 4065), (180, 3523), (195, 3252), (234, 2710), (260, 2439), (271, 2340), (390, 1626), (468, 1355), (542, 1170), (585, 1084), (780, 813)]