15192940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 38208240

約数和(自身を除く): 23015300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 419, 490, 518, 740, 838, 980, 1036, 1295, 1676, 1813, 2095, 2590, 2933, 3626, 4190, 5180, 5866, 7252, 8380, 9065, 11732, 14665, 15503, 18130, 20531, 29330, 31006, 36260, 41062, 58660, 62012, 77515, 82124, 102655, 108521, 155030, 205310, 217042, 310060, 410620, 434084, 542605, 759647, 1085210, 1519294, 2170420, 3038588, 3798235, 7596470, 15192940]

約数ペア:

[(1, 15192940), (2, 7596470), (4, 3798235), (5, 3038588), (7, 2170420), (10, 1519294), (14, 1085210), (20, 759647), (28, 542605), (35, 434084), (37, 410620), (49, 310060), (70, 217042), (74, 205310), (98, 155030), (140, 108521), (148, 102655), (185, 82124), (196, 77515), (245, 62012), (259, 58660), (370, 41062), (419, 36260), (490, 31006), (518, 29330), (740, 20531), (838, 18130), (980, 15503), (1036, 14665), (1295, 11732), (1676, 9065), (1813, 8380), (2095, 7252), (2590, 5866), (2933, 5180), (3626, 4190)]