90102180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1658

約数の個数: 144

約数和(自身を含む): 309113280

約数和(自身を除く): 219011100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1613, 1862, 1995, 2660, 2793, 2940, 3226, 3724, 3990, 4655, 4839, 5586, 6452, 7980, 8065, 9310, 9678, 11172, 11291, 13965, 16130, 18620, 19356, 22582, 24195, 27930, 30647, 32260, 33873, 45164, 48390, 55860, 56455, 61294, 67746, 79037, 91941, 96780, 112910, 122588, 135492, 153235, 158074, 169365, 183882, 214529, 225820, 237111, 306470, 316148, 338730, 367764, 395185, 429058, 459705, 474222, 612940, 643587, 677460, 790370, 858116, 919410, 948444, 1072645, 1185555, 1287174, 1501703, 1580740, 1838820, 2145290, 2371110, 2574348, 3003406, 3217935, 4290580, 4505109, 4742220, 6006812, 6435870, 7508515, 9010218, 12871740, 15017030, 18020436, 22525545, 30034060, 45051090, 90102180]

約数ペア:

[(1, 90102180), (2, 45051090), (3, 30034060), (4, 22525545), (5, 18020436), (6, 15017030), (7, 12871740), (10, 9010218), (12, 7508515), (14, 6435870), (15, 6006812), (19, 4742220), (20, 4505109), (21, 4290580), (28, 3217935), (30, 3003406), (35, 2574348), (38, 2371110), (42, 2145290), (49, 1838820), (57, 1580740), (60, 1501703), (70, 1287174), (76, 1185555), (84, 1072645), (95, 948444), (98, 919410), (105, 858116), (114, 790370), (133, 677460), (140, 643587), (147, 612940), (190, 474222), (196, 459705), (210, 429058), (228, 395185), (245, 367764), (266, 338730), (285, 316148), (294, 306470), (380, 237111), (399, 225820), (420, 214529), (490, 183882), (532, 169365), (570, 158074), (588, 153235), (665, 135492), (735, 122588), (798, 112910), (931, 96780), (980, 91941), (1140, 79037), (1330, 67746), (1470, 61294), (1596, 56455), (1613, 55860), (1862, 48390), (1995, 45164), (2660, 33873), (2793, 32260), (2940, 30647), (3226, 27930), (3724, 24195), (3990, 22582), (4655, 19356), (4839, 18620), (5586, 16130), (6452, 13965), (7980, 11291), (8065, 11172), (9310, 9678)]