991607880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1613}}^1$

素因数の和:1783

約数の個数: 128

約数和(自身を含む): 3067891200

約数和(自身を除く): 2076283320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 109, 120, 141, 188, 218, 235, 282, 327, 376, 436, 470, 545, 564, 654, 705, 872, 940, 1090, 1128, 1308, 1410, 1613, 1635, 1880, 2180, 2616, 2820, 3226, 3270, 4360, 4839, 5123, 5640, 6452, 6540, 8065, 9678, 10246, 12904, 13080, 15369, 16130, 19356, 20492, 24195, 25615, 30738, 32260, 38712, 40984, 48390, 51230, 61476, 64520, 75811, 76845, 96780, 102460, 122952, 151622, 153690, 175817, 193560, 204920, 227433, 303244, 307380, 351634, 379055, 454866, 527451, 606488, 614760, 703268, 758110, 879085, 909732, 1054902, 1137165, 1406536, 1516220, 1758170, 1819464, 2109804, 2274330, 2637255, 3032440, 3516340, 4219608, 4548660, 5274510, 7032680, 8263399, 9097320, 10549020, 16526798, 21098040, 24790197, 33053596, 41316995, 49580394, 66107192, 82633990, 99160788, 123950985, 165267980, 198321576, 247901970, 330535960, 495803940, 991607880]

約数ペア:

[(1, 991607880), (2, 495803940), (3, 330535960), (4, 247901970), (5, 198321576), (6, 165267980), (8, 123950985), (10, 99160788), (12, 82633990), (15, 66107192), (20, 49580394), (24, 41316995), (30, 33053596), (40, 24790197), (47, 21098040), (60, 16526798), (94, 10549020), (109, 9097320), (120, 8263399), (141, 7032680), (188, 5274510), (218, 4548660), (235, 4219608), (282, 3516340), (327, 3032440), (376, 2637255), (436, 2274330), (470, 2109804), (545, 1819464), (564, 1758170), (654, 1516220), (705, 1406536), (872, 1137165), (940, 1054902), (1090, 909732), (1128, 879085), (1308, 758110), (1410, 703268), (1613, 614760), (1635, 606488), (1880, 527451), (2180, 454866), (2616, 379055), (2820, 351634), (3226, 307380), (3270, 303244), (4360, 227433), (4839, 204920), (5123, 193560), (5640, 175817), (6452, 153690), (6540, 151622), (8065, 122952), (9678, 102460), (10246, 96780), (12904, 76845), (13080, 75811), (15369, 64520), (16130, 61476), (19356, 51230), (20492, 48390), (24195, 40984), (25615, 38712), (30738, 32260)]