2161369600

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:491

約数の個数: 240

約数和(自身を含む): 5967118080

約数和(自身を除く): 3805748480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 419, 496, 512, 520, 620, 640, 650, 775, 800, 806, 832, 838, 992, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1676, 1984, 2015, 2080, 2095, 2480, 2560, 2600, 3100, 3200, 3224, 3328, 3352, 3968, 4030, 4160, 4190, 4960, 5200, 5447, 6200, 6400, 6448, 6656, 6704, 7936, 8060, 8320, 8380, 9920, 10075, 10400, 10475, 10894, 12400, 12800, 12896, 12989, 13408, 15872, 16120, 16640, 16760, 19840, 20150, 20800, 20950, 21788, 24800, 25792, 25978, 26816, 27235, 32240, 33280, 33520, 39680, 40300, 41600, 41900, 43576, 49600, 51584, 51956, 53632, 54470, 64480, 64945, 67040, 79360, 80600, 83200, 83800, 87152, 99200, 103168, 103912, 107264, 108940, 128960, 129890, 134080, 136175, 161200, 166400, 167600, 168857, 174304, 198400, 206336, 207824, 214528, 217880, 257920, 259780, 268160, 272350, 322400, 324725, 335200, 337714, 348608, 396800, 415648, 435760, 515840, 519560, 536320, 544700, 644800, 649450, 670400, 675428, 697216, 831296, 844285, 871520, 1031680, 1039120, 1072640, 1089400, 1289600, 1298900, 1340800, 1350856, 1394432, 1662592, 1688570, 1743040, 2078240, 2178800, 2579200, 2597800, 2681600, 2701712, 2788864, 3325184, 3377140, 3486080, 4156480, 4221425, 4357600, 5158400, 5195600, 5363200, 5403424, 6650368, 6754280, 6972160, 8312960, 8442850, 8715200, 10391200, 10806848, 13508560, 13944320, 16625920, 16885700, 17430400, 20782400, 21613696, 27017120, 33251840, 33771400, 34860800, 41564800, 43227392, 54034240, 67542800, 69721600, 83129600, 86454784, 108068480, 135085600, 166259200, 216136960, 270171200, 432273920, 540342400, 1080684800, 2161369600]

約数ペア:

[(1, 2161369600), (2, 1080684800), (4, 540342400), (5, 432273920), (8, 270171200), (10, 216136960), (13, 166259200), (16, 135085600), (20, 108068480), (25, 86454784), (26, 83129600), (31, 69721600), (32, 67542800), (40, 54034240), (50, 43227392), (52, 41564800), (62, 34860800), (64, 33771400), (65, 33251840), (80, 27017120), (100, 21613696), (104, 20782400), (124, 17430400), (128, 16885700), (130, 16625920), (155, 13944320), (160, 13508560), (200, 10806848), (208, 10391200), (248, 8715200), (256, 8442850), (260, 8312960), (310, 6972160), (320, 6754280), (325, 6650368), (400, 5403424), (403, 5363200), (416, 5195600), (419, 5158400), (496, 4357600), (512, 4221425), (520, 4156480), (620, 3486080), (640, 3377140), (650, 3325184), (775, 2788864), (800, 2701712), (806, 2681600), (832, 2597800), (838, 2579200), (992, 2178800), (1040, 2078240), (1240, 1743040), (1280, 1688570), (1300, 1662592), (1550, 1394432), (1600, 1350856), (1612, 1340800), (1664, 1298900), (1676, 1289600), (1984, 1089400), (2015, 1072640), (2080, 1039120), (2095, 1031680), (2480, 871520), (2560, 844285), (2600, 831296), (3100, 697216), (3200, 675428), (3224, 670400), (3328, 649450), (3352, 644800), (3968, 544700), (4030, 536320), (4160, 519560), (4190, 515840), (4960, 435760), (5200, 415648), (5447, 396800), (6200, 348608), (6400, 337714), (6448, 335200), (6656, 324725), (6704, 322400), (7936, 272350), (8060, 268160), (8320, 259780), (8380, 257920), (9920, 217880), (10075, 214528), (10400, 207824), (10475, 206336), (10894, 198400), (12400, 174304), (12800, 168857), (12896, 167600), (12989, 166400), (13408, 161200), (15872, 136175), (16120, 134080), (16640, 129890), (16760, 128960), (19840, 108940), (20150, 107264), (20800, 103912), (20950, 103168), (21788, 99200), (24800, 87152), (25792, 83800), (25978, 83200), (26816, 80600), (27235, 79360), (32240, 67040), (33280, 64945), (33520, 64480), (39680, 54470), (40300, 53632), (41600, 51956), (41900, 51584), (43576, 49600)]