18208680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 63763200

約数和(自身を除く): 45554520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 409, 420, 424, 530, 636, 742, 795, 818, 840, 1060, 1113, 1227, 1272, 1484, 1590, 1636, 1855, 2045, 2120, 2226, 2454, 2863, 2968, 3180, 3272, 3710, 4090, 4452, 4908, 5565, 5726, 6135, 6360, 7420, 8180, 8589, 8904, 9816, 11130, 11452, 12270, 14315, 14840, 16360, 17178, 21677, 22260, 22904, 24540, 28630, 34356, 42945, 43354, 44520, 49080, 57260, 65031, 68712, 85890, 86708, 108385, 114520, 130062, 151739, 171780, 173416, 216770, 260124, 303478, 325155, 343560, 433540, 455217, 520248, 606956, 650310, 758695, 867080, 910434, 1213912, 1300620, 1517390, 1820868, 2276085, 2601240, 3034780, 3641736, 4552170, 6069560, 9104340, 18208680]

約数ペア:

[(1, 18208680), (2, 9104340), (3, 6069560), (4, 4552170), (5, 3641736), (6, 3034780), (7, 2601240), (8, 2276085), (10, 1820868), (12, 1517390), (14, 1300620), (15, 1213912), (20, 910434), (21, 867080), (24, 758695), (28, 650310), (30, 606956), (35, 520248), (40, 455217), (42, 433540), (53, 343560), (56, 325155), (60, 303478), (70, 260124), (84, 216770), (105, 173416), (106, 171780), (120, 151739), (140, 130062), (159, 114520), (168, 108385), (210, 86708), (212, 85890), (265, 68712), (280, 65031), (318, 57260), (371, 49080), (409, 44520), (420, 43354), (424, 42945), (530, 34356), (636, 28630), (742, 24540), (795, 22904), (818, 22260), (840, 21677), (1060, 17178), (1113, 16360), (1227, 14840), (1272, 14315), (1484, 12270), (1590, 11452), (1636, 11130), (1855, 9816), (2045, 8904), (2120, 8589), (2226, 8180), (2454, 7420), (2863, 6360), (2968, 6135), (3180, 5726), (3272, 5565), (3710, 4908), (4090, 4452)]