621344640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:669

約数の個数: 256

約数和(自身を含む): 2294853120

約数和(自身を除く): 1673508480

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, 83, 84, 96, 105, 112, 120, 128, 140, 160, 166, 168, 192, 210, 224, 240, 249, 280, 320, 332, 336, 384, 415, 420, 448, 480, 498, 557, 560, 581, 640, 664, 672, 830, 840, 896, 960, 996, 1114, 1120, 1162, 1245, 1328, 1344, 1660, 1671, 1680, 1743, 1920, 1992, 2228, 2240, 2324, 2490, 2656, 2688, 2785, 2905, 3320, 3342, 3360, 3486, 3899, 3984, 4456, 4480, 4648, 4980, 5312, 5570, 5810, 6640, 6684, 6720, 6972, 7798, 7968, 8355, 8715, 8912, 9296, 9960, 10624, 11140, 11620, 11697, 13280, 13368, 13440, 13944, 15596, 15936, 16710, 17430, 17824, 18592, 19495, 19920, 22280, 23240, 23394, 26560, 26736, 27888, 31192, 31872, 33420, 34860, 35648, 37184, 38990, 39840, 44560, 46231, 46480, 46788, 53120, 53472, 55776, 58485, 62384, 66840, 69720, 71296, 74368, 77980, 79680, 89120, 92462, 92960, 93576, 106944, 111552, 116970, 124768, 133680, 138693, 139440, 155960, 159360, 178240, 184924, 185920, 187152, 213888, 223104, 231155, 233940, 249536, 267360, 277386, 278880, 311920, 323617, 356480, 369848, 371840, 374304, 462310, 467880, 499072, 534720, 554772, 557760, 623840, 647234, 693465, 739696, 748608, 924620, 935760, 970851, 1069440, 1109544, 1115520, 1247680, 1294468, 1386930, 1479392, 1497216, 1618085, 1849240, 1871520, 1941702, 2219088, 2495360, 2588936, 2773860, 2958784, 3236170, 3698480, 3743040, 3883404, 4438176, 4854255, 5177872, 5547720, 5917568, 6472340, 7396960, 7486080, 7766808, 8876352, 9708510, 10355744, 11095440, 12944680, 14793920, 15533616, 17752704, 19417020, 20711488, 22190880, 25889360, 29587840, 31067232, 38834040, 41422976, 44381760, 51778720, 62134464, 77668080, 88763520, 103557440, 124268928, 155336160, 207114880, 310672320, 621344640]

約数ペア:

[(1, 621344640), (2, 310672320), (3, 207114880), (4, 155336160), (5, 124268928), (6, 103557440), (7, 88763520), (8, 77668080), (10, 62134464), (12, 51778720), (14, 44381760), (15, 41422976), (16, 38834040), (20, 31067232), (21, 29587840), (24, 25889360), (28, 22190880), (30, 20711488), (32, 19417020), (35, 17752704), (40, 15533616), (42, 14793920), (48, 12944680), (56, 11095440), (60, 10355744), (64, 9708510), (70, 8876352), (80, 7766808), (83, 7486080), (84, 7396960), (96, 6472340), (105, 5917568), (112, 5547720), (120, 5177872), (128, 4854255), (140, 4438176), (160, 3883404), (166, 3743040), (168, 3698480), (192, 3236170), (210, 2958784), (224, 2773860), (240, 2588936), (249, 2495360), (280, 2219088), (320, 1941702), (332, 1871520), (336, 1849240), (384, 1618085), (415, 1497216), (420, 1479392), (448, 1386930), (480, 1294468), (498, 1247680), (557, 1115520), (560, 1109544), (581, 1069440), (640, 970851), (664, 935760), (672, 924620), (830, 748608), (840, 739696), (896, 693465), (960, 647234), (996, 623840), (1114, 557760), (1120, 554772), (1162, 534720), (1245, 499072), (1328, 467880), (1344, 462310), (1660, 374304), (1671, 371840), (1680, 369848), (1743, 356480), (1920, 323617), (1992, 311920), (2228, 278880), (2240, 277386), (2324, 267360), (2490, 249536), (2656, 233940), (2688, 231155), (2785, 223104), (2905, 213888), (3320, 187152), (3342, 185920), (3360, 184924), (3486, 178240), (3899, 159360), (3984, 155960), (4456, 139440), (4480, 138693), (4648, 133680), (4980, 124768), (5312, 116970), (5570, 111552), (5810, 106944), (6640, 93576), (6684, 92960), (6720, 92462), (6972, 89120), (7798, 79680), (7968, 77980), (8355, 74368), (8715, 71296), (8912, 69720), (9296, 66840), (9960, 62384), (10624, 58485), (11140, 55776), (11620, 53472), (11697, 53120), (13280, 46788), (13368, 46480), (13440, 46231), (13944, 44560), (15596, 39840), (15936, 38990), (16710, 37184), (17430, 35648), (17824, 34860), (18592, 33420), (19495, 31872), (19920, 31192), (22280, 27888), (23240, 26736), (23394, 26560)]