205795980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2837}}^1$

素因数の和:2896

約数の個数: 144

約数和(自身を含む): 694197504

約数和(自身を除く): 488401524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 2837, 3627, 4030, 4836, 5580, 5674, 6045, 7254, 8060, 8511, 11348, 12090, 14185, 14508, 17022, 18135, 24180, 25533, 28370, 34044, 36270, 36881, 42555, 51066, 56740, 72540, 73762, 85110, 87947, 102132, 110643, 127665, 147524, 170220, 175894, 184405, 221286, 255330, 263841, 331929, 351788, 368810, 439735, 442572, 510660, 527682, 553215, 663858, 737620, 791523, 879470, 1055364, 1106430, 1143311, 1319205, 1327716, 1583046, 1659645, 1758940, 2212860, 2286622, 2638410, 3166092, 3319290, 3429933, 3957615, 4573244, 5276820, 5716555, 6638580, 6859866, 7915230, 10289799, 11433110, 13719732, 15830460, 17149665, 20579598, 22866220, 34299330, 41159196, 51448995, 68598660, 102897990, 205795980]

約数ペア:

[(1, 205795980), (2, 102897990), (3, 68598660), (4, 51448995), (5, 41159196), (6, 34299330), (9, 22866220), (10, 20579598), (12, 17149665), (13, 15830460), (15, 13719732), (18, 11433110), (20, 10289799), (26, 7915230), (30, 6859866), (31, 6638580), (36, 5716555), (39, 5276820), (45, 4573244), (52, 3957615), (60, 3429933), (62, 3319290), (65, 3166092), (78, 2638410), (90, 2286622), (93, 2212860), (117, 1758940), (124, 1659645), (130, 1583046), (155, 1327716), (156, 1319205), (180, 1143311), (186, 1106430), (195, 1055364), (234, 879470), (260, 791523), (279, 737620), (310, 663858), (372, 553215), (390, 527682), (403, 510660), (465, 442572), (468, 439735), (558, 368810), (585, 351788), (620, 331929), (780, 263841), (806, 255330), (930, 221286), (1116, 184405), (1170, 175894), (1209, 170220), (1395, 147524), (1612, 127665), (1860, 110643), (2015, 102132), (2340, 87947), (2418, 85110), (2790, 73762), (2837, 72540), (3627, 56740), (4030, 51066), (4836, 42555), (5580, 36881), (5674, 36270), (6045, 34044), (7254, 28370), (8060, 25533), (8511, 24180), (11348, 18135), (12090, 17022), (14185, 14508)]