8005725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 19498752

約数和(自身を除く): 11493027

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 23, 25, 35, 39, 45, 51, 63, 65, 69, 75, 85, 91, 105, 115, 117, 119, 153, 161, 175, 195, 207, 221, 225, 255, 273, 299, 315, 325, 345, 357, 391, 425, 455, 483, 525, 575, 585, 595, 663, 765, 805, 819, 897, 975, 1035, 1071, 1105, 1173, 1275, 1365, 1449, 1495, 1547, 1575, 1725, 1785, 1955, 1989, 2093, 2275, 2415, 2691, 2737, 2925, 2975, 3315, 3519, 3825, 4025, 4095, 4485, 4641, 5083, 5175, 5355, 5525, 5865, 6279, 6825, 7245, 7475, 7735, 8211, 8925, 9775, 9945, 10465, 12075, 13455, 13685, 13923, 15249, 16575, 17595, 18837, 20475, 22425, 23205, 24633, 25415, 26775, 29325, 31395, 35581, 36225, 38675, 41055, 45747, 49725, 52325, 67275, 68425, 69615, 76245, 87975, 94185, 106743, 116025, 123165, 127075, 156975, 177905, 205275, 228735, 320229, 348075, 381225, 470925, 533715, 615825, 889525, 1143675, 1601145, 2668575, 8005725]

約数ペア:

[(1, 8005725), (3, 2668575), (5, 1601145), (7, 1143675), (9, 889525), (13, 615825), (15, 533715), (17, 470925), (21, 381225), (23, 348075), (25, 320229), (35, 228735), (39, 205275), (45, 177905), (51, 156975), (63, 127075), (65, 123165), (69, 116025), (75, 106743), (85, 94185), (91, 87975), (105, 76245), (115, 69615), (117, 68425), (119, 67275), (153, 52325), (161, 49725), (175, 45747), (195, 41055), (207, 38675), (221, 36225), (225, 35581), (255, 31395), (273, 29325), (299, 26775), (315, 25415), (325, 24633), (345, 23205), (357, 22425), (391, 20475), (425, 18837), (455, 17595), (483, 16575), (525, 15249), (575, 13923), (585, 13685), (595, 13455), (663, 12075), (765, 10465), (805, 9945), (819, 9775), (897, 8925), (975, 8211), (1035, 7735), (1071, 7475), (1105, 7245), (1173, 6825), (1275, 6279), (1365, 5865), (1449, 5525), (1495, 5355), (1547, 5175), (1575, 5083), (1725, 4641), (1785, 4485), (1955, 4095), (1989, 4025), (2093, 3825), (2275, 3519), (2415, 3315), (2691, 2975), (2737, 2925)]