1243620

素因数分解:

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

素因数の和:79

約数の個数: 144

約数和(自身を含む): 4596480

約数和(自身を除く): 3352860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 49, 54, 60, 63, 70, 84, 90, 94, 98, 105, 108, 126, 135, 140, 141, 147, 180, 188, 189, 196, 210, 235, 245, 252, 270, 282, 294, 315, 329, 378, 420, 423, 441, 470, 490, 540, 564, 588, 630, 658, 705, 735, 756, 846, 882, 940, 945, 980, 987, 1260, 1269, 1316, 1323, 1410, 1470, 1645, 1692, 1764, 1890, 1974, 2115, 2205, 2303, 2538, 2646, 2820, 2940, 2961, 3290, 3780, 3948, 4230, 4410, 4606, 4935, 5076, 5292, 5922, 6345, 6580, 6615, 6909, 8460, 8820, 8883, 9212, 9870, 11515, 11844, 12690, 13230, 13818, 14805, 17766, 19740, 20727, 23030, 25380, 26460, 27636, 29610, 34545, 35532, 41454, 44415, 46060, 59220, 62181, 69090, 82908, 88830, 103635, 124362, 138180, 177660, 207270, 248724, 310905, 414540, 621810, 1243620]

約数ペア:

[(1, 1243620), (2, 621810), (3, 414540), (4, 310905), (5, 248724), (6, 207270), (7, 177660), (9, 138180), (10, 124362), (12, 103635), (14, 88830), (15, 82908), (18, 69090), (20, 62181), (21, 59220), (27, 46060), (28, 44415), (30, 41454), (35, 35532), (36, 34545), (42, 29610), (45, 27636), (47, 26460), (49, 25380), (54, 23030), (60, 20727), (63, 19740), (70, 17766), (84, 14805), (90, 13818), (94, 13230), (98, 12690), (105, 11844), (108, 11515), (126, 9870), (135, 9212), (140, 8883), (141, 8820), (147, 8460), (180, 6909), (188, 6615), (189, 6580), (196, 6345), (210, 5922), (235, 5292), (245, 5076), (252, 4935), (270, 4606), (282, 4410), (294, 4230), (315, 3948), (329, 3780), (378, 3290), (420, 2961), (423, 2940), (441, 2820), (470, 2646), (490, 2538), (540, 2303), (564, 2205), (588, 2115), (630, 1974), (658, 1890), (705, 1764), (735, 1692), (756, 1645), (846, 1470), (882, 1410), (940, 1323), (945, 1316), (980, 1269), (987, 1260)]