18746700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 44582580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 79, 84, 100, 105, 113, 140, 150, 158, 175, 210, 226, 237, 300, 316, 339, 350, 395, 420, 452, 474, 525, 553, 565, 678, 700, 790, 791, 948, 1050, 1106, 1130, 1185, 1356, 1580, 1582, 1659, 1695, 1975, 2100, 2212, 2260, 2370, 2373, 2765, 2825, 3164, 3318, 3390, 3950, 3955, 4740, 4746, 5530, 5650, 5925, 6636, 6780, 7900, 7910, 8295, 8475, 8927, 9492, 11060, 11300, 11850, 11865, 13825, 15820, 16590, 16950, 17854, 19775, 23700, 23730, 26781, 27650, 33180, 33900, 35708, 39550, 41475, 44635, 47460, 53562, 55300, 59325, 62489, 79100, 82950, 89270, 107124, 118650, 124978, 133905, 165900, 178540, 187467, 223175, 237300, 249956, 267810, 312445, 374934, 446350, 535620, 624890, 669525, 749868, 892700, 937335, 1249780, 1339050, 1562225, 1874670, 2678100, 3124450, 3749340, 4686675, 6248900, 9373350, 18746700]

約数ペア:

[(1, 18746700), (2, 9373350), (3, 6248900), (4, 4686675), (5, 3749340), (6, 3124450), (7, 2678100), (10, 1874670), (12, 1562225), (14, 1339050), (15, 1249780), (20, 937335), (21, 892700), (25, 749868), (28, 669525), (30, 624890), (35, 535620), (42, 446350), (50, 374934), (60, 312445), (70, 267810), (75, 249956), (79, 237300), (84, 223175), (100, 187467), (105, 178540), (113, 165900), (140, 133905), (150, 124978), (158, 118650), (175, 107124), (210, 89270), (226, 82950), (237, 79100), (300, 62489), (316, 59325), (339, 55300), (350, 53562), (395, 47460), (420, 44635), (452, 41475), (474, 39550), (525, 35708), (553, 33900), (565, 33180), (678, 27650), (700, 26781), (790, 23730), (791, 23700), (948, 19775), (1050, 17854), (1106, 16950), (1130, 16590), (1185, 15820), (1356, 13825), (1580, 11865), (1582, 11850), (1659, 11300), (1695, 11060), (1975, 9492), (2100, 8927), (2212, 8475), (2260, 8295), (2370, 7910), (2373, 7900), (2765, 6780), (2825, 6636), (3164, 5925), (3318, 5650), (3390, 5530), (3950, 4746), (3955, 4740)]