642733440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1180

約数の個数: 128

約数和(自身を含む): 2055805920

約数和(自身を除く): 1413072480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 557, 601, 640, 960, 1114, 1202, 1671, 1803, 1920, 2228, 2404, 2785, 3005, 3342, 3606, 4456, 4808, 5570, 6010, 6684, 7212, 8355, 8912, 9015, 9616, 11140, 12020, 13368, 14424, 16710, 17824, 18030, 19232, 22280, 24040, 26736, 28848, 33420, 35648, 36060, 38464, 44560, 48080, 53472, 57696, 66840, 71296, 72120, 76928, 89120, 96160, 106944, 115392, 133680, 144240, 178240, 192320, 213888, 230784, 267360, 288480, 334757, 356480, 384640, 534720, 576960, 669514, 1004271, 1069440, 1153920, 1339028, 1673785, 2008542, 2678056, 3347570, 4017084, 5021355, 5356112, 6695140, 8034168, 10042710, 10712224, 13390280, 16068336, 20085420, 21424448, 26780560, 32136672, 40170840, 42848896, 53561120, 64273344, 80341680, 107122240, 128546688, 160683360, 214244480, 321366720, 642733440]

約数ペア:

[(1, 642733440), (2, 321366720), (3, 214244480), (4, 160683360), (5, 128546688), (6, 107122240), (8, 80341680), (10, 64273344), (12, 53561120), (15, 42848896), (16, 40170840), (20, 32136672), (24, 26780560), (30, 21424448), (32, 20085420), (40, 16068336), (48, 13390280), (60, 10712224), (64, 10042710), (80, 8034168), (96, 6695140), (120, 5356112), (128, 5021355), (160, 4017084), (192, 3347570), (240, 2678056), (320, 2008542), (384, 1673785), (480, 1339028), (557, 1153920), (601, 1069440), (640, 1004271), (960, 669514), (1114, 576960), (1202, 534720), (1671, 384640), (1803, 356480), (1920, 334757), (2228, 288480), (2404, 267360), (2785, 230784), (3005, 213888), (3342, 192320), (3606, 178240), (4456, 144240), (4808, 133680), (5570, 115392), (6010, 106944), (6684, 96160), (7212, 89120), (8355, 76928), (8912, 72120), (9015, 71296), (9616, 66840), (11140, 57696), (12020, 53472), (13368, 48080), (14424, 44560), (16710, 38464), (17824, 36060), (18030, 35648), (19232, 33420), (22280, 28848), (24040, 26736)]