320436675

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 108

約数和(自身を含む): 649671960

約数和(自身を除く): 329235285

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 53, 65, 75, 117, 135, 159, 169, 195, 225, 265, 325, 351, 477, 507, 585, 675, 689, 795, 845, 975, 1325, 1431, 1521, 1755, 2067, 2385, 2535, 2809, 2925, 3445, 3975, 4225, 4563, 6201, 7155, 7605, 8427, 8775, 8957, 10335, 11925, 12675, 14045, 17225, 18603, 22815, 25281, 26871, 31005, 35775, 36517, 38025, 42135, 44785, 51675, 70225, 75843, 80613, 93015, 109551, 114075, 126405, 134355, 155025, 182585, 210675, 223925, 241839, 328653, 379215, 403065, 465075, 474721, 547755, 632025, 671775, 912925, 985959, 1209195, 1424163, 1643265, 1896075, 2015325, 2373605, 2738775, 4272489, 4929795, 6045975, 7120815, 8216325, 11868025, 12817467, 21362445, 24648975, 35604075, 64087335, 106812225, 320436675]

約数ペア:

[(1, 320436675), (3, 106812225), (5, 64087335), (9, 35604075), (13, 24648975), (15, 21362445), (25, 12817467), (27, 11868025), (39, 8216325), (45, 7120815), (53, 6045975), (65, 4929795), (75, 4272489), (117, 2738775), (135, 2373605), (159, 2015325), (169, 1896075), (195, 1643265), (225, 1424163), (265, 1209195), (325, 985959), (351, 912925), (477, 671775), (507, 632025), (585, 547755), (675, 474721), (689, 465075), (795, 403065), (845, 379215), (975, 328653), (1325, 241839), (1431, 223925), (1521, 210675), (1755, 182585), (2067, 155025), (2385, 134355), (2535, 126405), (2809, 114075), (2925, 109551), (3445, 93015), (3975, 80613), (4225, 75843), (4563, 70225), (6201, 51675), (7155, 44785), (7605, 42135), (8427, 38025), (8775, 36517), (8957, 35775), (10335, 31005), (11925, 26871), (12675, 25281), (14045, 22815), (17225, 18603)]