80527860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:910

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 202518540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 809, 948, 1106, 1185, 1260, 1422, 1580, 1618, 1659, 2212, 2370, 2427, 2765, 2844, 3236, 3318, 3555, 4045, 4740, 4854, 4977, 5530, 5663, 6636, 7110, 7281, 8090, 8295, 9708, 9954, 11060, 11326, 12135, 14220, 14562, 16180, 16590, 16989, 19908, 22652, 24270, 24885, 28315, 29124, 33180, 33978, 36405, 48540, 49770, 50967, 56630, 63911, 67956, 72810, 84945, 99540, 101934, 113260, 127822, 145620, 169890, 191733, 203868, 254835, 255644, 319555, 339780, 383466, 447377, 509670, 575199, 639110, 766932, 894754, 958665, 1019340, 1150398, 1278220, 1342131, 1789508, 1917330, 2236885, 2300796, 2684262, 2875995, 3834660, 4026393, 4473770, 5368524, 5751990, 6710655, 8052786, 8947540, 11503980, 13421310, 16105572, 20131965, 26842620, 40263930, 80527860]

約数ペア:

[(1, 80527860), (2, 40263930), (3, 26842620), (4, 20131965), (5, 16105572), (6, 13421310), (7, 11503980), (9, 8947540), (10, 8052786), (12, 6710655), (14, 5751990), (15, 5368524), (18, 4473770), (20, 4026393), (21, 3834660), (28, 2875995), (30, 2684262), (35, 2300796), (36, 2236885), (42, 1917330), (45, 1789508), (60, 1342131), (63, 1278220), (70, 1150398), (79, 1019340), (84, 958665), (90, 894754), (105, 766932), (126, 639110), (140, 575199), (158, 509670), (180, 447377), (210, 383466), (237, 339780), (252, 319555), (315, 255644), (316, 254835), (395, 203868), (420, 191733), (474, 169890), (553, 145620), (630, 127822), (711, 113260), (790, 101934), (809, 99540), (948, 84945), (1106, 72810), (1185, 67956), (1260, 63911), (1422, 56630), (1580, 50967), (1618, 49770), (1659, 48540), (2212, 36405), (2370, 33978), (2427, 33180), (2765, 29124), (2844, 28315), (3236, 24885), (3318, 24270), (3555, 22652), (4045, 19908), (4740, 16989), (4854, 16590), (4977, 16180), (5530, 14562), (5663, 14220), (6636, 12135), (7110, 11326), (7281, 11060), (8090, 9954), (8295, 9708)]