28137960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 96

約数和(自身を含む): 93450240

約数和(自身を除く): 65312280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1663, 1692, 1880, 2115, 2820, 3326, 3384, 4230, 4989, 5640, 6652, 8315, 8460, 9978, 13304, 14967, 16630, 16920, 19956, 24945, 29934, 33260, 39912, 49890, 59868, 66520, 74835, 78161, 99780, 119736, 149670, 156322, 199560, 234483, 299340, 312644, 390805, 468966, 598680, 625288, 703449, 781610, 937932, 1172415, 1406898, 1563220, 1875864, 2344830, 2813796, 3126440, 3517245, 4689660, 5627592, 7034490, 9379320, 14068980, 28137960]

約数ペア:

[(1, 28137960), (2, 14068980), (3, 9379320), (4, 7034490), (5, 5627592), (6, 4689660), (8, 3517245), (9, 3126440), (10, 2813796), (12, 2344830), (15, 1875864), (18, 1563220), (20, 1406898), (24, 1172415), (30, 937932), (36, 781610), (40, 703449), (45, 625288), (47, 598680), (60, 468966), (72, 390805), (90, 312644), (94, 299340), (120, 234483), (141, 199560), (180, 156322), (188, 149670), (235, 119736), (282, 99780), (360, 78161), (376, 74835), (423, 66520), (470, 59868), (564, 49890), (705, 39912), (846, 33260), (940, 29934), (1128, 24945), (1410, 19956), (1663, 16920), (1692, 16630), (1880, 14967), (2115, 13304), (2820, 9978), (3326, 8460), (3384, 8315), (4230, 6652), (4989, 5640)]