687816840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8039}}^1$

素因数の和:8107

約数の個数: 128

約数和(自身を含む): 2222899200

約数和(自身を除く): 1535082360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3565, 3720, 4278, 5704, 7130, 8039, 8556, 10695, 14260, 16078, 17112, 21390, 24117, 28520, 32156, 40195, 42780, 48234, 64312, 80390, 85560, 96468, 120585, 160780, 184897, 192936, 241170, 249209, 321560, 369794, 482340, 498418, 554691, 739588, 747627, 924485, 964680, 996836, 1109382, 1246045, 1479176, 1495254, 1848970, 1993672, 2218764, 2492090, 2773455, 2990508, 3697940, 3738135, 4437528, 4984180, 5546910, 5731807, 5981016, 7395880, 7476270, 9968360, 11093820, 11463614, 14952540, 17195421, 22187640, 22927228, 28659035, 29905080, 34390842, 45854456, 57318070, 68781684, 85977105, 114636140, 137563368, 171954210, 229272280, 343908420, 687816840]

約数ペア:

[(1, 687816840), (2, 343908420), (3, 229272280), (4, 171954210), (5, 137563368), (6, 114636140), (8, 85977105), (10, 68781684), (12, 57318070), (15, 45854456), (20, 34390842), (23, 29905080), (24, 28659035), (30, 22927228), (31, 22187640), (40, 17195421), (46, 14952540), (60, 11463614), (62, 11093820), (69, 9968360), (92, 7476270), (93, 7395880), (115, 5981016), (120, 5731807), (124, 5546910), (138, 4984180), (155, 4437528), (184, 3738135), (186, 3697940), (230, 2990508), (248, 2773455), (276, 2492090), (310, 2218764), (345, 1993672), (372, 1848970), (460, 1495254), (465, 1479176), (552, 1246045), (620, 1109382), (690, 996836), (713, 964680), (744, 924485), (920, 747627), (930, 739588), (1240, 554691), (1380, 498418), (1426, 482340), (1860, 369794), (2139, 321560), (2760, 249209), (2852, 241170), (3565, 192936), (3720, 184897), (4278, 160780), (5704, 120585), (7130, 96468), (8039, 85560), (8556, 80390), (10695, 64312), (14260, 48234), (16078, 42780), (17112, 40195), (21390, 32156), (24117, 28520)]