663709140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21563}}^1$

素因数の和:21603

約数の個数: 120

約数和(自身を含む): 2191764960

約数和(自身を除く): 1528055820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 15390, 21563, 30780, 43126, 64689, 86252, 107815, 129378, 194067, 215630, 258756, 323445, 388134, 409697, 431260, 582201, 646890, 776268, 819394, 970335, 1164402, 1229091, 1293780, 1638788, 1746603, 1940670, 2048485, 2328804, 2458182, 2911005, 3493206, 3687273, 3881340, 4096970, 4916364, 5822010, 6145455, 6986412, 7374546, 8193940, 8733015, 11061819, 11644020, 12290910, 14749092, 17466030, 18436365, 22123638, 24581820, 33185457, 34932060, 36872730, 44247276, 55309095, 66370914, 73745460, 110618190, 132741828, 165927285, 221236380, 331854570, 663709140]

約数ペア:

[(1, 663709140), (2, 331854570), (3, 221236380), (4, 165927285), (5, 132741828), (6, 110618190), (9, 73745460), (10, 66370914), (12, 55309095), (15, 44247276), (18, 36872730), (19, 34932060), (20, 33185457), (27, 24581820), (30, 22123638), (36, 18436365), (38, 17466030), (45, 14749092), (54, 12290910), (57, 11644020), (60, 11061819), (76, 8733015), (81, 8193940), (90, 7374546), (95, 6986412), (108, 6145455), (114, 5822010), (135, 4916364), (162, 4096970), (171, 3881340), (180, 3687273), (190, 3493206), (228, 2911005), (270, 2458182), (285, 2328804), (324, 2048485), (342, 1940670), (380, 1746603), (405, 1638788), (513, 1293780), (540, 1229091), (570, 1164402), (684, 970335), (810, 819394), (855, 776268), (1026, 646890), (1140, 582201), (1539, 431260), (1620, 409697), (1710, 388134), (2052, 323445), (2565, 258756), (3078, 215630), (3420, 194067), (5130, 129378), (6156, 107815), (7695, 86252), (10260, 64689), (15390, 43126), (21563, 30780)]