281237580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3877}}^1$

素因数の和:3936

約数の個数: 144

約数和(自身を含む): 948589824

約数和(自身を除く): 667352244

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, 3627, 3877, 4030, 4836, 5580, 6045, 7254, 7754, 8060, 11631, 12090, 14508, 15508, 18135, 19385, 23262, 24180, 34893, 36270, 38770, 46524, 50401, 58155, 69786, 72540, 77540, 100802, 116310, 120187, 139572, 151203, 174465, 201604, 232620, 240374, 252005, 302406, 348930, 360561, 453609, 480748, 504010, 600935, 604812, 697860, 721122, 756015, 907218, 1008020, 1081683, 1201870, 1442244, 1512030, 1562431, 1802805, 1814436, 2163366, 2268045, 2403740, 3024060, 3124862, 3605610, 4326732, 4536090, 4687293, 5408415, 6249724, 7211220, 7812155, 9072180, 9374586, 10816830, 14061879, 15624310, 18749172, 21633660, 23436465, 28123758, 31248620, 46872930, 56247516, 70309395, 93745860, 140618790, 281237580]

約数ペア:

[(1, 281237580), (2, 140618790), (3, 93745860), (4, 70309395), (5, 56247516), (6, 46872930), (9, 31248620), (10, 28123758), (12, 23436465), (13, 21633660), (15, 18749172), (18, 15624310), (20, 14061879), (26, 10816830), (30, 9374586), (31, 9072180), (36, 7812155), (39, 7211220), (45, 6249724), (52, 5408415), (60, 4687293), (62, 4536090), (65, 4326732), (78, 3605610), (90, 3124862), (93, 3024060), (117, 2403740), (124, 2268045), (130, 2163366), (155, 1814436), (156, 1802805), (180, 1562431), (186, 1512030), (195, 1442244), (234, 1201870), (260, 1081683), (279, 1008020), (310, 907218), (372, 756015), (390, 721122), (403, 697860), (465, 604812), (468, 600935), (558, 504010), (585, 480748), (620, 453609), (780, 360561), (806, 348930), (930, 302406), (1116, 252005), (1170, 240374), (1209, 232620), (1395, 201604), (1612, 174465), (1860, 151203), (2015, 139572), (2340, 120187), (2418, 116310), (2790, 100802), (3627, 77540), (3877, 72540), (4030, 69786), (4836, 58155), (5580, 50401), (6045, 46524), (7254, 38770), (7754, 36270), (8060, 34893), (11631, 24180), (12090, 23262), (14508, 19385), (15508, 18135)]