47908980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 169827840

約数和(自身を除く): 121918860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 809, 846, 940, 987, 1260, 1316, 1410, 1618, 1645, 1692, 1974, 2115, 2427, 2820, 2961, 3236, 3290, 3948, 4045, 4230, 4854, 4935, 5663, 5922, 6580, 7281, 8090, 8460, 9708, 9870, 11326, 11844, 12135, 14562, 14805, 16180, 16989, 19740, 22652, 24270, 28315, 29124, 29610, 33978, 36405, 38023, 48540, 50967, 56630, 59220, 67956, 72810, 76046, 84945, 101934, 113260, 114069, 145620, 152092, 169890, 190115, 203868, 228138, 254835, 266161, 339780, 342207, 380230, 456276, 509670, 532322, 570345, 684414, 760460, 798483, 1019340, 1064644, 1140690, 1330805, 1368828, 1596966, 1711035, 2281380, 2395449, 2661610, 3193932, 3422070, 3992415, 4790898, 5323220, 6844140, 7984830, 9581796, 11977245, 15969660, 23954490, 47908980]

約数ペア:

[(1, 47908980), (2, 23954490), (3, 15969660), (4, 11977245), (5, 9581796), (6, 7984830), (7, 6844140), (9, 5323220), (10, 4790898), (12, 3992415), (14, 3422070), (15, 3193932), (18, 2661610), (20, 2395449), (21, 2281380), (28, 1711035), (30, 1596966), (35, 1368828), (36, 1330805), (42, 1140690), (45, 1064644), (47, 1019340), (60, 798483), (63, 760460), (70, 684414), (84, 570345), (90, 532322), (94, 509670), (105, 456276), (126, 380230), (140, 342207), (141, 339780), (180, 266161), (188, 254835), (210, 228138), (235, 203868), (252, 190115), (282, 169890), (315, 152092), (329, 145620), (420, 114069), (423, 113260), (470, 101934), (564, 84945), (630, 76046), (658, 72810), (705, 67956), (809, 59220), (846, 56630), (940, 50967), (987, 48540), (1260, 38023), (1316, 36405), (1410, 33978), (1618, 29610), (1645, 29124), (1692, 28315), (1974, 24270), (2115, 22652), (2427, 19740), (2820, 16989), (2961, 16180), (3236, 14805), (3290, 14562), (3948, 12135), (4045, 11844), (4230, 11326), (4854, 9870), (4935, 9708), (5663, 8460), (5922, 8090), (6580, 7281)]