1620534720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1009}}^1$

素因数の和:1275

約数の個数: 224

約数和(自身を含む): 5910681600

約数和(自身を除く): 4290146880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 239, 240, 280, 320, 336, 420, 448, 478, 480, 560, 672, 717, 840, 956, 960, 1009, 1120, 1195, 1344, 1434, 1673, 1680, 1912, 2018, 2240, 2390, 2868, 3027, 3346, 3360, 3585, 3824, 4036, 4780, 5019, 5045, 5736, 6054, 6692, 6720, 7063, 7170, 7648, 8072, 8365, 9560, 10038, 10090, 11472, 12108, 13384, 14126, 14340, 15135, 15296, 16144, 16730, 19120, 20076, 20180, 21189, 22944, 24216, 25095, 26768, 28252, 28680, 30270, 32288, 33460, 35315, 38240, 40152, 40360, 42378, 45888, 48432, 50190, 53536, 56504, 57360, 60540, 64576, 66920, 70630, 76480, 80304, 80720, 84756, 96864, 100380, 105945, 107072, 113008, 114720, 121080, 133840, 141260, 160608, 161440, 169512, 193728, 200760, 211890, 226016, 229440, 241151, 242160, 267680, 282520, 321216, 322880, 339024, 401520, 423780, 452032, 482302, 484320, 535360, 565040, 678048, 723453, 803040, 847560, 964604, 968640, 1130080, 1205755, 1356096, 1446906, 1606080, 1688057, 1695120, 1929208, 2260160, 2411510, 2893812, 3376114, 3390240, 3617265, 3858416, 4823020, 5064171, 5787624, 6752228, 6780480, 7234530, 7716832, 8440285, 9646040, 10128342, 11575248, 13504456, 14469060, 15433664, 16880570, 19292080, 20256684, 23150496, 25320855, 27008912, 28938120, 33761140, 38584160, 40513368, 46300992, 50641710, 54017824, 57876240, 67522280, 77168320, 81026736, 101283420, 108035648, 115752480, 135044560, 162053472, 202566840, 231504960, 270089120, 324106944, 405133680, 540178240, 810267360, 1620534720]

約数ペア:

[(1, 1620534720), (2, 810267360), (3, 540178240), (4, 405133680), (5, 324106944), (6, 270089120), (7, 231504960), (8, 202566840), (10, 162053472), (12, 135044560), (14, 115752480), (15, 108035648), (16, 101283420), (20, 81026736), (21, 77168320), (24, 67522280), (28, 57876240), (30, 54017824), (32, 50641710), (35, 46300992), (40, 40513368), (42, 38584160), (48, 33761140), (56, 28938120), (60, 27008912), (64, 25320855), (70, 23150496), (80, 20256684), (84, 19292080), (96, 16880570), (105, 15433664), (112, 14469060), (120, 13504456), (140, 11575248), (160, 10128342), (168, 9646040), (192, 8440285), (210, 7716832), (224, 7234530), (239, 6780480), (240, 6752228), (280, 5787624), (320, 5064171), (336, 4823020), (420, 3858416), (448, 3617265), (478, 3390240), (480, 3376114), (560, 2893812), (672, 2411510), (717, 2260160), (840, 1929208), (956, 1695120), (960, 1688057), (1009, 1606080), (1120, 1446906), (1195, 1356096), (1344, 1205755), (1434, 1130080), (1673, 968640), (1680, 964604), (1912, 847560), (2018, 803040), (2240, 723453), (2390, 678048), (2868, 565040), (3027, 535360), (3346, 484320), (3360, 482302), (3585, 452032), (3824, 423780), (4036, 401520), (4780, 339024), (5019, 322880), (5045, 321216), (5736, 282520), (6054, 267680), (6692, 242160), (6720, 241151), (7063, 229440), (7170, 226016), (7648, 211890), (8072, 200760), (8365, 193728), (9560, 169512), (10038, 161440), (10090, 160608), (11472, 141260), (12108, 133840), (13384, 121080), (14126, 114720), (14340, 113008), (15135, 107072), (15296, 105945), (16144, 100380), (16730, 96864), (19120, 84756), (20076, 80720), (20180, 80304), (21189, 76480), (22944, 70630), (24216, 66920), (25095, 64576), (26768, 60540), (28252, 57360), (28680, 56504), (30270, 53536), (32288, 50190), (33460, 48432), (35315, 45888), (38240, 42378), (40152, 40360)]