145182440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 374976000

約数和(自身を除く): 229793560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 61, 65, 92, 104, 115, 122, 130, 184, 199, 230, 244, 260, 299, 305, 398, 460, 488, 520, 598, 610, 793, 796, 920, 995, 1196, 1220, 1403, 1495, 1586, 1592, 1990, 2392, 2440, 2587, 2806, 2990, 3172, 3965, 3980, 4577, 5174, 5612, 5980, 6344, 7015, 7930, 7960, 9154, 10348, 11224, 11960, 12139, 12935, 14030, 15860, 18239, 18308, 20696, 22885, 24278, 25870, 28060, 31720, 36478, 36616, 45770, 48556, 51740, 56120, 59501, 60695, 72956, 91195, 91540, 97112, 103480, 119002, 121390, 145912, 157807, 182390, 183080, 238004, 242780, 279197, 297505, 315614, 364780, 476008, 485560, 558394, 595010, 631228, 729560, 789035, 1116788, 1190020, 1262456, 1395985, 1578070, 2233576, 2380040, 2791970, 3156140, 3629561, 5583940, 6312280, 7259122, 11167880, 14518244, 18147805, 29036488, 36295610, 72591220, 145182440]

約数ペア:

[(1, 145182440), (2, 72591220), (4, 36295610), (5, 29036488), (8, 18147805), (10, 14518244), (13, 11167880), (20, 7259122), (23, 6312280), (26, 5583940), (40, 3629561), (46, 3156140), (52, 2791970), (61, 2380040), (65, 2233576), (92, 1578070), (104, 1395985), (115, 1262456), (122, 1190020), (130, 1116788), (184, 789035), (199, 729560), (230, 631228), (244, 595010), (260, 558394), (299, 485560), (305, 476008), (398, 364780), (460, 315614), (488, 297505), (520, 279197), (598, 242780), (610, 238004), (793, 183080), (796, 182390), (920, 157807), (995, 145912), (1196, 121390), (1220, 119002), (1403, 103480), (1495, 97112), (1586, 91540), (1592, 91195), (1990, 72956), (2392, 60695), (2440, 59501), (2587, 56120), (2806, 51740), (2990, 48556), (3172, 45770), (3965, 36616), (3980, 36478), (4577, 31720), (5174, 28060), (5612, 25870), (5980, 24278), (6344, 22885), (7015, 20696), (7930, 18308), (7960, 18239), (9154, 15860), (10348, 14030), (11224, 12935), (11960, 12139)]