15013980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 45864000

約数和(自身を除く): 30850020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 349, 478, 698, 717, 956, 1047, 1195, 1396, 1434, 1745, 2094, 2151, 2390, 2868, 3141, 3490, 3585, 4188, 4302, 4780, 5235, 6282, 6980, 7170, 8604, 10470, 10755, 12564, 14340, 15705, 20940, 21510, 31410, 43020, 62820, 83411, 166822, 250233, 333644, 417055, 500466, 750699, 834110, 1000932, 1251165, 1501398, 1668220, 2502330, 3002796, 3753495, 5004660, 7506990, 15013980]

約数ペア:

[(1, 15013980), (2, 7506990), (3, 5004660), (4, 3753495), (5, 3002796), (6, 2502330), (9, 1668220), (10, 1501398), (12, 1251165), (15, 1000932), (18, 834110), (20, 750699), (30, 500466), (36, 417055), (45, 333644), (60, 250233), (90, 166822), (180, 83411), (239, 62820), (349, 43020), (478, 31410), (698, 21510), (717, 20940), (956, 15705), (1047, 14340), (1195, 12564), (1396, 10755), (1434, 10470), (1745, 8604), (2094, 7170), (2151, 6980), (2390, 6282), (2868, 5235), (3141, 4780), (3490, 4302), (3585, 4188)]