684773680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:363

約数の個数: 120

約数和(自身を含む): 1702484784

約数和(自身を除く): 1017711104

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 181, 190, 262, 304, 361, 362, 380, 524, 655, 722, 724, 760, 905, 1048, 1310, 1444, 1448, 1520, 1805, 1810, 2096, 2489, 2620, 2888, 2896, 3439, 3610, 3620, 4978, 5240, 5776, 6878, 7220, 7240, 9956, 10480, 12445, 13756, 14440, 14480, 17195, 19912, 23711, 24890, 27512, 28880, 34390, 39824, 47291, 47422, 49780, 55024, 65341, 68780, 94582, 94844, 99560, 118555, 130682, 137560, 189164, 189688, 199120, 236455, 237110, 261364, 275120, 326705, 378328, 379376, 450509, 472910, 474220, 522728, 653410, 756656, 901018, 945820, 948440, 1045456, 1306820, 1802036, 1891640, 1896880, 2252545, 2613640, 3604072, 3783280, 4505090, 5227280, 7208144, 8559671, 9010180, 17119342, 18020360, 34238684, 36040720, 42798355, 68477368, 85596710, 136954736, 171193420, 342386840, 684773680]

約数ペア:

[(1, 684773680), (2, 342386840), (4, 171193420), (5, 136954736), (8, 85596710), (10, 68477368), (16, 42798355), (19, 36040720), (20, 34238684), (38, 18020360), (40, 17119342), (76, 9010180), (80, 8559671), (95, 7208144), (131, 5227280), (152, 4505090), (181, 3783280), (190, 3604072), (262, 2613640), (304, 2252545), (361, 1896880), (362, 1891640), (380, 1802036), (524, 1306820), (655, 1045456), (722, 948440), (724, 945820), (760, 901018), (905, 756656), (1048, 653410), (1310, 522728), (1444, 474220), (1448, 472910), (1520, 450509), (1805, 379376), (1810, 378328), (2096, 326705), (2489, 275120), (2620, 261364), (2888, 237110), (2896, 236455), (3439, 199120), (3610, 189688), (3620, 189164), (4978, 137560), (5240, 130682), (5776, 118555), (6878, 99560), (7220, 94844), (7240, 94582), (9956, 68780), (10480, 65341), (12445, 55024), (13756, 49780), (14440, 47422), (14480, 47291), (17195, 39824), (19912, 34390), (23711, 28880), (24890, 27512)]