285854720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1857

約数の個数: 88

約数和(自身を含む): 708229248

約数和(自身を除く): 422374528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1801, 1984, 2480, 2560, 3602, 3968, 4960, 5120, 7204, 7936, 9005, 9920, 14408, 15872, 18010, 19840, 28816, 31744, 36020, 39680, 55831, 57632, 72040, 79360, 111662, 115264, 144080, 158720, 223324, 230528, 279155, 288160, 446648, 461056, 558310, 576320, 893296, 922112, 1116620, 1152640, 1786592, 1844224, 2233240, 2305280, 3573184, 4466480, 4610560, 7146368, 8932960, 9221120, 14292736, 17865920, 28585472, 35731840, 57170944, 71463680, 142927360, 285854720]

約数ペア:

[(1, 285854720), (2, 142927360), (4, 71463680), (5, 57170944), (8, 35731840), (10, 28585472), (16, 17865920), (20, 14292736), (31, 9221120), (32, 8932960), (40, 7146368), (62, 4610560), (64, 4466480), (80, 3573184), (124, 2305280), (128, 2233240), (155, 1844224), (160, 1786592), (248, 1152640), (256, 1116620), (310, 922112), (320, 893296), (496, 576320), (512, 558310), (620, 461056), (640, 446648), (992, 288160), (1024, 279155), (1240, 230528), (1280, 223324), (1801, 158720), (1984, 144080), (2480, 115264), (2560, 111662), (3602, 79360), (3968, 72040), (4960, 57632), (5120, 55831), (7204, 39680), (7936, 36020), (9005, 31744), (9920, 28816), (14408, 19840), (15872, 18010)]