686315760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16921}}^1$

素因数の和:16963

約数の個数: 120

約数和(自身を含む): 2303964144

約数和(自身を除く): 1617648384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 16921, 20280, 33842, 40560, 50763, 67684, 84605, 101526, 135368, 169210, 203052, 219973, 253815, 270736, 338420, 406104, 439946, 507630, 659919, 676840, 812208, 879892, 1015260, 1099865, 1319838, 1353680, 1759784, 2030520, 2199730, 2639676, 2859649, 3299595, 3519568, 4061040, 4399460, 5279352, 5719298, 6599190, 8578947, 8798920, 10558704, 11438596, 13198380, 14298245, 17157894, 17597840, 22877192, 26396760, 28596490, 34315788, 42894735, 45754384, 52793520, 57192980, 68631576, 85789470, 114385960, 137263152, 171578940, 228771920, 343157880, 686315760]

約数ペア:

[(1, 686315760), (2, 343157880), (3, 228771920), (4, 171578940), (5, 137263152), (6, 114385960), (8, 85789470), (10, 68631576), (12, 57192980), (13, 52793520), (15, 45754384), (16, 42894735), (20, 34315788), (24, 28596490), (26, 26396760), (30, 22877192), (39, 17597840), (40, 17157894), (48, 14298245), (52, 13198380), (60, 11438596), (65, 10558704), (78, 8798920), (80, 8578947), (104, 6599190), (120, 5719298), (130, 5279352), (156, 4399460), (169, 4061040), (195, 3519568), (208, 3299595), (240, 2859649), (260, 2639676), (312, 2199730), (338, 2030520), (390, 1759784), (507, 1353680), (520, 1319838), (624, 1099865), (676, 1015260), (780, 879892), (845, 812208), (1014, 676840), (1040, 659919), (1352, 507630), (1560, 439946), (1690, 406104), (2028, 338420), (2535, 270736), (2704, 253815), (3120, 219973), (3380, 203052), (4056, 169210), (5070, 135368), (6760, 101526), (8112, 84605), (10140, 67684), (13520, 50763), (16921, 40560), (20280, 33842)]