638999760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9277}}^1$

素因数の和:9341

約数の個数: 160

約数和(自身を含む): 2319351552

約数和(自身を除く): 1680351792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3444, 4305, 4592, 4920, 5740, 6888, 8610, 9277, 9840, 11480, 13776, 17220, 18554, 22960, 27831, 34440, 37108, 46385, 55662, 64939, 68880, 74216, 92770, 111324, 129878, 139155, 148432, 185540, 194817, 222648, 259756, 278310, 324695, 371080, 380357, 389634, 445296, 519512, 556620, 649390, 742160, 760714, 779268, 974085, 1039024, 1113240, 1141071, 1298780, 1521428, 1558536, 1901785, 1948170, 2226480, 2282142, 2597560, 2662499, 3042856, 3117072, 3803570, 3896340, 4564284, 5195120, 5324998, 5705355, 6085712, 7607140, 7792680, 7987497, 9128568, 10649996, 11410710, 13312495, 15214280, 15585360, 15974994, 18257136, 21299992, 22821420, 26624990, 30428560, 31949988, 39937485, 42599984, 45642840, 53249980, 63899976, 79874970, 91285680, 106499960, 127799952, 159749940, 212999920, 319499880, 638999760]

約数ペア:

[(1, 638999760), (2, 319499880), (3, 212999920), (4, 159749940), (5, 127799952), (6, 106499960), (7, 91285680), (8, 79874970), (10, 63899976), (12, 53249980), (14, 45642840), (15, 42599984), (16, 39937485), (20, 31949988), (21, 30428560), (24, 26624990), (28, 22821420), (30, 21299992), (35, 18257136), (40, 15974994), (41, 15585360), (42, 15214280), (48, 13312495), (56, 11410710), (60, 10649996), (70, 9128568), (80, 7987497), (82, 7792680), (84, 7607140), (105, 6085712), (112, 5705355), (120, 5324998), (123, 5195120), (140, 4564284), (164, 3896340), (168, 3803570), (205, 3117072), (210, 3042856), (240, 2662499), (246, 2597560), (280, 2282142), (287, 2226480), (328, 1948170), (336, 1901785), (410, 1558536), (420, 1521428), (492, 1298780), (560, 1141071), (574, 1113240), (615, 1039024), (656, 974085), (820, 779268), (840, 760714), (861, 742160), (984, 649390), (1148, 556620), (1230, 519512), (1435, 445296), (1640, 389634), (1680, 380357), (1722, 371080), (1968, 324695), (2296, 278310), (2460, 259756), (2870, 222648), (3280, 194817), (3444, 185540), (4305, 148432), (4592, 139155), (4920, 129878), (5740, 111324), (6888, 92770), (8610, 74216), (9277, 68880), (9840, 64939), (11480, 55662), (13776, 46385), (17220, 37108), (18554, 34440), (22960, 27831)]