259920

素因数分解:

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

素因数の和:57

約数の個数: 90

約数和(自身を含む): 921258

約数和(自身を除く): 661338

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, 361, 380, 456, 570, 684, 720, 722, 760, 855, 912, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 2166, 2280, 2736, 2888, 3249, 3420, 3610, 4332, 4560, 5415, 5776, 6498, 6840, 7220, 8664, 10830, 12996, 13680, 14440, 16245, 17328, 21660, 25992, 28880, 32490, 43320, 51984, 64980, 86640, 129960, 259920]

約数ペア:

[(1, 259920), (2, 129960), (3, 86640), (4, 64980), (5, 51984), (6, 43320), (8, 32490), (9, 28880), (10, 25992), (12, 21660), (15, 17328), (16, 16245), (18, 14440), (19, 13680), (20, 12996), (24, 10830), (30, 8664), (36, 7220), (38, 6840), (40, 6498), (45, 5776), (48, 5415), (57, 4560), (60, 4332), (72, 3610), (76, 3420), (80, 3249), (90, 2888), (95, 2736), (114, 2280), (120, 2166), (144, 1805), (152, 1710), (171, 1520), (180, 1444), (190, 1368), (228, 1140), (240, 1083), (285, 912), (304, 855), (342, 760), (360, 722), (361, 720), (380, 684), (456, 570)]