400606080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:797

約数の個数: 256

約数和(自身を含む): 1497000960

約数和(自身を除く): 1096394880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 128, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 384, 410, 420, 448, 480, 492, 560, 574, 615, 640, 656, 672, 727, 820, 840, 861, 896, 960, 984, 1120, 1148, 1230, 1312, 1344, 1435, 1454, 1640, 1680, 1722, 1920, 1968, 2181, 2240, 2296, 2460, 2624, 2688, 2870, 2908, 3280, 3360, 3444, 3635, 3936, 4305, 4362, 4480, 4592, 4920, 5089, 5248, 5740, 5816, 6560, 6720, 6888, 7270, 7872, 8610, 8724, 9184, 9840, 10178, 10905, 11480, 11632, 13120, 13440, 13776, 14540, 15267, 15744, 17220, 17448, 18368, 19680, 20356, 21810, 22960, 23264, 25445, 26240, 27552, 29080, 29807, 30534, 34440, 34896, 36736, 39360, 40712, 43620, 45920, 46528, 50890, 55104, 58160, 59614, 61068, 68880, 69792, 76335, 78720, 81424, 87240, 89421, 91840, 93056, 101780, 110208, 116320, 119228, 122136, 137760, 139584, 149035, 152670, 162848, 174480, 178842, 183680, 203560, 208649, 232640, 238456, 244272, 275520, 279168, 298070, 305340, 325696, 348960, 357684, 407120, 417298, 447105, 465280, 476912, 488544, 551040, 596140, 610680, 625947, 651392, 697920, 715368, 814240, 834596, 894210, 953824, 977088, 1043245, 1192280, 1221360, 1251894, 1395840, 1430736, 1628480, 1669192, 1788420, 1907648, 1954176, 2086490, 2384560, 2442720, 2503788, 2861472, 3129735, 3256960, 3338384, 3576840, 3815296, 4172980, 4769120, 4885440, 5007576, 5722944, 6259470, 6676768, 7153680, 8345960, 9538240, 9770880, 10015152, 11445888, 12518940, 13353536, 14307360, 16691920, 19076480, 20030304, 25037880, 26707072, 28614720, 33383840, 40060608, 50075760, 57229440, 66767680, 80121216, 100151520, 133535360, 200303040, 400606080]

約数ペア:

[(1, 400606080), (2, 200303040), (3, 133535360), (4, 100151520), (5, 80121216), (6, 66767680), (7, 57229440), (8, 50075760), (10, 40060608), (12, 33383840), (14, 28614720), (15, 26707072), (16, 25037880), (20, 20030304), (21, 19076480), (24, 16691920), (28, 14307360), (30, 13353536), (32, 12518940), (35, 11445888), (40, 10015152), (41, 9770880), (42, 9538240), (48, 8345960), (56, 7153680), (60, 6676768), (64, 6259470), (70, 5722944), (80, 5007576), (82, 4885440), (84, 4769120), (96, 4172980), (105, 3815296), (112, 3576840), (120, 3338384), (123, 3256960), (128, 3129735), (140, 2861472), (160, 2503788), (164, 2442720), (168, 2384560), (192, 2086490), (205, 1954176), (210, 1907648), (224, 1788420), (240, 1669192), (246, 1628480), (280, 1430736), (287, 1395840), (320, 1251894), (328, 1221360), (336, 1192280), (384, 1043245), (410, 977088), (420, 953824), (448, 894210), (480, 834596), (492, 814240), (560, 715368), (574, 697920), (615, 651392), (640, 625947), (656, 610680), (672, 596140), (727, 551040), (820, 488544), (840, 476912), (861, 465280), (896, 447105), (960, 417298), (984, 407120), (1120, 357684), (1148, 348960), (1230, 325696), (1312, 305340), (1344, 298070), (1435, 279168), (1454, 275520), (1640, 244272), (1680, 238456), (1722, 232640), (1920, 208649), (1968, 203560), (2181, 183680), (2240, 178842), (2296, 174480), (2460, 162848), (2624, 152670), (2688, 149035), (2870, 139584), (2908, 137760), (3280, 122136), (3360, 119228), (3444, 116320), (3635, 110208), (3936, 101780), (4305, 93056), (4362, 91840), (4480, 89421), (4592, 87240), (4920, 81424), (5089, 78720), (5248, 76335), (5740, 69792), (5816, 68880), (6560, 61068), (6720, 59614), (6888, 58160), (7270, 55104), (7872, 50890), (8610, 46528), (8724, 45920), (9184, 43620), (9840, 40712), (10178, 39360), (10905, 36736), (11480, 34896), (11632, 34440), (13120, 30534), (13440, 29807), (13776, 29080), (14540, 27552), (15267, 26240), (15744, 25445), (17220, 23264), (17448, 22960), (18368, 21810), (19680, 20356)]