1489814720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2170

約数の個数: 112

約数和(自身を含む): 3785616000

約数和(自身を除く): 2295801280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 137, 160, 170, 272, 274, 320, 340, 544, 548, 680, 685, 1088, 1096, 1360, 1370, 1999, 2192, 2329, 2720, 2740, 3998, 4384, 4658, 5440, 5480, 7996, 8768, 9316, 9995, 10960, 11645, 15992, 18632, 19990, 21920, 23290, 31984, 33983, 37264, 39980, 43840, 46580, 63968, 67966, 74528, 79960, 93160, 127936, 135932, 149056, 159920, 169915, 186320, 271864, 273863, 319840, 339830, 372640, 543728, 547726, 639680, 679660, 745280, 1087456, 1095452, 1359320, 1369315, 2174912, 2190904, 2718640, 2738630, 4381808, 4655671, 5437280, 5477260, 8763616, 9311342, 10874560, 10954520, 17527232, 18622684, 21909040, 23278355, 37245368, 43818080, 46556710, 74490736, 87636160, 93113420, 148981472, 186226840, 297962944, 372453680, 744907360, 1489814720]

約数ペア:

[(1, 1489814720), (2, 744907360), (4, 372453680), (5, 297962944), (8, 186226840), (10, 148981472), (16, 93113420), (17, 87636160), (20, 74490736), (32, 46556710), (34, 43818080), (40, 37245368), (64, 23278355), (68, 21909040), (80, 18622684), (85, 17527232), (136, 10954520), (137, 10874560), (160, 9311342), (170, 8763616), (272, 5477260), (274, 5437280), (320, 4655671), (340, 4381808), (544, 2738630), (548, 2718640), (680, 2190904), (685, 2174912), (1088, 1369315), (1096, 1359320), (1360, 1095452), (1370, 1087456), (1999, 745280), (2192, 679660), (2329, 639680), (2720, 547726), (2740, 543728), (3998, 372640), (4384, 339830), (4658, 319840), (5440, 273863), (5480, 271864), (7996, 186320), (8768, 169915), (9316, 159920), (9995, 149056), (10960, 135932), (11645, 127936), (15992, 93160), (18632, 79960), (19990, 74528), (21920, 67966), (23290, 63968), (31984, 46580), (33983, 43840), (37264, 39980)]