206988240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 160

約数和(自身を含む): 678813696

約数和(自身を除く): 471825456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 647, 688, 744, 860, 930, 1032, 1240, 1290, 1294, 1333, 1488, 1720, 1860, 1941, 2064, 2480, 2580, 2588, 2666, 3235, 3440, 3720, 3882, 3999, 5160, 5176, 5332, 6470, 6665, 7440, 7764, 7998, 9705, 10320, 10352, 10664, 12940, 13330, 15528, 15996, 19410, 19995, 20057, 21328, 25880, 26660, 27821, 31056, 31992, 38820, 39990, 40114, 51760, 53320, 55642, 60171, 63984, 77640, 79980, 80228, 83463, 100285, 106640, 111284, 120342, 139105, 155280, 159960, 160456, 166926, 200570, 222568, 240684, 278210, 300855, 319920, 320912, 333852, 401140, 417315, 445136, 481368, 556420, 601710, 667704, 802280, 834630, 862451, 962736, 1112840, 1203420, 1335408, 1604560, 1669260, 1724902, 2225680, 2406840, 2587353, 3338520, 3449804, 4312255, 4813680, 5174706, 6677040, 6899608, 8624510, 10349412, 12936765, 13799216, 17249020, 20698824, 25873530, 34498040, 41397648, 51747060, 68996080, 103494120, 206988240]

約数ペア:

[(1, 206988240), (2, 103494120), (3, 68996080), (4, 51747060), (5, 41397648), (6, 34498040), (8, 25873530), (10, 20698824), (12, 17249020), (15, 13799216), (16, 12936765), (20, 10349412), (24, 8624510), (30, 6899608), (31, 6677040), (40, 5174706), (43, 4813680), (48, 4312255), (60, 3449804), (62, 3338520), (80, 2587353), (86, 2406840), (93, 2225680), (120, 1724902), (124, 1669260), (129, 1604560), (155, 1335408), (172, 1203420), (186, 1112840), (215, 962736), (240, 862451), (248, 834630), (258, 802280), (310, 667704), (344, 601710), (372, 556420), (430, 481368), (465, 445136), (496, 417315), (516, 401140), (620, 333852), (645, 320912), (647, 319920), (688, 300855), (744, 278210), (860, 240684), (930, 222568), (1032, 200570), (1240, 166926), (1290, 160456), (1294, 159960), (1333, 155280), (1488, 139105), (1720, 120342), (1860, 111284), (1941, 106640), (2064, 100285), (2480, 83463), (2580, 80228), (2588, 79980), (2666, 77640), (3235, 63984), (3440, 60171), (3720, 55642), (3882, 53320), (3999, 51760), (5160, 40114), (5176, 39990), (5332, 38820), (6470, 31992), (6665, 31056), (7440, 27821), (7764, 26660), (7998, 25880), (9705, 21328), (10320, 20057), (10352, 19995), (10664, 19410), (12940, 15996), (13330, 15528)]