279496080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20469

約数の個数: 120

約数和(自身を含む): 988091520

約数和(自身を除く): 708595440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 20431, 40862, 61293, 81724, 102155, 122586, 163448, 183879, 204310, 245172, 306465, 326896, 367758, 388189, 408620, 490344, 612930, 735516, 776378, 817240, 919395, 980688, 1164567, 1225860, 1471032, 1552756, 1634480, 1838790, 1940945, 2329134, 2451720, 2942064, 3105512, 3493701, 3677580, 3881890, 4658268, 4903440, 5822835, 6211024, 6987402, 7355160, 7763780, 9316536, 11645670, 13974804, 14710320, 15527560, 17468505, 18633072, 23291340, 27949608, 31055120, 34937010, 46582680, 55899216, 69874020, 93165360, 139748040, 279496080]

約数ペア:

[(1, 279496080), (2, 139748040), (3, 93165360), (4, 69874020), (5, 55899216), (6, 46582680), (8, 34937010), (9, 31055120), (10, 27949608), (12, 23291340), (15, 18633072), (16, 17468505), (18, 15527560), (19, 14710320), (20, 13974804), (24, 11645670), (30, 9316536), (36, 7763780), (38, 7355160), (40, 6987402), (45, 6211024), (48, 5822835), (57, 4903440), (60, 4658268), (72, 3881890), (76, 3677580), (80, 3493701), (90, 3105512), (95, 2942064), (114, 2451720), (120, 2329134), (144, 1940945), (152, 1838790), (171, 1634480), (180, 1552756), (190, 1471032), (228, 1225860), (240, 1164567), (285, 980688), (304, 919395), (342, 817240), (360, 776378), (380, 735516), (456, 612930), (570, 490344), (684, 408620), (720, 388189), (760, 367758), (855, 326896), (912, 306465), (1140, 245172), (1368, 204310), (1520, 183879), (1710, 163448), (2280, 122586), (2736, 102155), (3420, 81724), (4560, 61293), (6840, 40862), (13680, 20431)]