660116480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4215

約数の個数: 88

約数和(自身を含む): 1634979840

約数和(自身を除く): 974863360

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, 1984, 2480, 2560, 3968, 4159, 4960, 5120, 7936, 8318, 9920, 15872, 16636, 19840, 20795, 31744, 33272, 39680, 41590, 66544, 79360, 83180, 128929, 133088, 158720, 166360, 257858, 266176, 332720, 515716, 532352, 644645, 665440, 1031432, 1064704, 1289290, 1330880, 2062864, 2129408, 2578580, 2661760, 4125728, 4258816, 5157160, 5323520, 8251456, 10314320, 10647040, 16502912, 20628640, 21294080, 33005824, 41257280, 66011648, 82514560, 132023296, 165029120, 330058240, 660116480]

約数ペア:

[(1, 660116480), (2, 330058240), (4, 165029120), (5, 132023296), (8, 82514560), (10, 66011648), (16, 41257280), (20, 33005824), (31, 21294080), (32, 20628640), (40, 16502912), (62, 10647040), (64, 10314320), (80, 8251456), (124, 5323520), (128, 5157160), (155, 4258816), (160, 4125728), (248, 2661760), (256, 2578580), (310, 2129408), (320, 2062864), (496, 1330880), (512, 1289290), (620, 1064704), (640, 1031432), (992, 665440), (1024, 644645), (1240, 532352), (1280, 515716), (1984, 332720), (2480, 266176), (2560, 257858), (3968, 166360), (4159, 158720), (4960, 133088), (5120, 128929), (7936, 83180), (8318, 79360), (9920, 66544), (15872, 41590), (16636, 39680), (19840, 33272), (20795, 31744)]