216123210880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{351397}}^1$

素因数の和:351478

約数の個数: 96

約数和(自身を含む): 533875467420

約数和(自身を除く): 317752256540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 961, 992, 1240, 1922, 1984, 2480, 3844, 3968, 4805, 4960, 7688, 9610, 9920, 15376, 19220, 19840, 30752, 38440, 61504, 76880, 123008, 153760, 307520, 351397, 615040, 702794, 1405588, 1756985, 2811176, 3513970, 5622352, 7027940, 10893307, 11244704, 14055880, 21786614, 22489408, 28111760, 43573228, 44978816, 54466535, 56223520, 87146456, 108933070, 112447040, 174292912, 217866140, 224894080, 337692517, 348585824, 435732280, 675385034, 697171648, 871464560, 1350770068, 1394343296, 1688462585, 1742929120, 2701540136, 3376925170, 3485858240, 5403080272, 6753850340, 6971716480, 10806160544, 13507700680, 21612321088, 27015401360, 43224642176, 54030802720, 108061605440, 216123210880]

約数ペア:

[(1, 216123210880), (2, 108061605440), (4, 54030802720), (5, 43224642176), (8, 27015401360), (10, 21612321088), (16, 13507700680), (20, 10806160544), (31, 6971716480), (32, 6753850340), (40, 5403080272), (62, 3485858240), (64, 3376925170), (80, 2701540136), (124, 1742929120), (128, 1688462585), (155, 1394343296), (160, 1350770068), (248, 871464560), (310, 697171648), (320, 675385034), (496, 435732280), (620, 348585824), (640, 337692517), (961, 224894080), (992, 217866140), (1240, 174292912), (1922, 112447040), (1984, 108933070), (2480, 87146456), (3844, 56223520), (3968, 54466535), (4805, 44978816), (4960, 43573228), (7688, 28111760), (9610, 22489408), (9920, 21786614), (15376, 14055880), (19220, 11244704), (19840, 10893307), (30752, 7027940), (38440, 5622352), (61504, 3513970), (76880, 2811176), (123008, 1756985), (153760, 1405588), (307520, 702794), (351397, 615040)]