172912680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1993}}^1$

素因数の和:2251

約数の個数: 96

約数和(自身を含む): 564581160

約数和(自身を除く): 391668480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 241, 360, 482, 723, 964, 1205, 1446, 1928, 1993, 2169, 2410, 2892, 3615, 3986, 4338, 4820, 5784, 5979, 7230, 7972, 8676, 9640, 9965, 10845, 11958, 14460, 15944, 17352, 17937, 19930, 21690, 23916, 28920, 29895, 35874, 39860, 43380, 47832, 59790, 71748, 79720, 86760, 89685, 119580, 143496, 179370, 239160, 358740, 480313, 717480, 960626, 1440939, 1921252, 2401565, 2881878, 3842504, 4322817, 4803130, 5763756, 7204695, 8645634, 9606260, 11527512, 14409390, 17291268, 19212520, 21614085, 28818780, 34582536, 43228170, 57637560, 86456340, 172912680]

約数ペア:

[(1, 172912680), (2, 86456340), (3, 57637560), (4, 43228170), (5, 34582536), (6, 28818780), (8, 21614085), (9, 19212520), (10, 17291268), (12, 14409390), (15, 11527512), (18, 9606260), (20, 8645634), (24, 7204695), (30, 5763756), (36, 4803130), (40, 4322817), (45, 3842504), (60, 2881878), (72, 2401565), (90, 1921252), (120, 1440939), (180, 960626), (241, 717480), (360, 480313), (482, 358740), (723, 239160), (964, 179370), (1205, 143496), (1446, 119580), (1928, 89685), (1993, 86760), (2169, 79720), (2410, 71748), (2892, 59790), (3615, 47832), (3986, 43380), (4338, 39860), (4820, 35874), (5784, 29895), (5979, 28920), (7230, 23916), (7972, 21690), (8676, 19930), (9640, 17937), (9965, 17352), (10845, 15944), (11958, 14460)]