15142920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 51891840

約数和(自身を除く): 36748920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 571, 663, 680, 780, 884, 1020, 1105, 1142, 1326, 1560, 1713, 1768, 2040, 2210, 2284, 2652, 2855, 3315, 3426, 4420, 4568, 5304, 5710, 6630, 6852, 7423, 8565, 8840, 9707, 11420, 13260, 13704, 14846, 17130, 19414, 22269, 22840, 26520, 29121, 29692, 34260, 37115, 38828, 44538, 48535, 58242, 59384, 68520, 74230, 77656, 89076, 97070, 111345, 116484, 126191, 145605, 148460, 178152, 194140, 222690, 232968, 252382, 291210, 296920, 378573, 388280, 445380, 504764, 582420, 630955, 757146, 890760, 1009528, 1164840, 1261910, 1514292, 1892865, 2523820, 3028584, 3785730, 5047640, 7571460, 15142920]

約数ペア:

[(1, 15142920), (2, 7571460), (3, 5047640), (4, 3785730), (5, 3028584), (6, 2523820), (8, 1892865), (10, 1514292), (12, 1261910), (13, 1164840), (15, 1009528), (17, 890760), (20, 757146), (24, 630955), (26, 582420), (30, 504764), (34, 445380), (39, 388280), (40, 378573), (51, 296920), (52, 291210), (60, 252382), (65, 232968), (68, 222690), (78, 194140), (85, 178152), (102, 148460), (104, 145605), (120, 126191), (130, 116484), (136, 111345), (156, 97070), (170, 89076), (195, 77656), (204, 74230), (221, 68520), (255, 59384), (260, 58242), (312, 48535), (340, 44538), (390, 38828), (408, 37115), (442, 34260), (510, 29692), (520, 29121), (571, 26520), (663, 22840), (680, 22269), (780, 19414), (884, 17130), (1020, 14846), (1105, 13704), (1142, 13260), (1326, 11420), (1560, 9707), (1713, 8840), (1768, 8565), (2040, 7423), (2210, 6852), (2284, 6630), (2652, 5710), (2855, 5304), (3315, 4568), (3426, 4420)]