157881760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 389491200

約数和(自身を除く): 231609440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 139, 155, 160, 229, 248, 278, 310, 458, 496, 556, 620, 695, 916, 992, 1112, 1145, 1240, 1390, 1832, 2224, 2290, 2480, 2780, 3664, 4309, 4448, 4580, 4960, 5560, 7099, 7328, 8618, 9160, 11120, 14198, 17236, 18320, 21545, 22240, 28396, 31831, 34472, 35495, 36640, 43090, 56792, 63662, 68944, 70990, 86180, 113584, 127324, 137888, 141980, 159155, 172360, 227168, 254648, 283960, 318310, 344720, 509296, 567920, 636620, 689440, 986761, 1018592, 1135840, 1273240, 1973522, 2546480, 3947044, 4933805, 5092960, 7894088, 9867610, 15788176, 19735220, 31576352, 39470440, 78940880, 157881760]

約数ペア:

[(1, 157881760), (2, 78940880), (4, 39470440), (5, 31576352), (8, 19735220), (10, 15788176), (16, 9867610), (20, 7894088), (31, 5092960), (32, 4933805), (40, 3947044), (62, 2546480), (80, 1973522), (124, 1273240), (139, 1135840), (155, 1018592), (160, 986761), (229, 689440), (248, 636620), (278, 567920), (310, 509296), (458, 344720), (496, 318310), (556, 283960), (620, 254648), (695, 227168), (916, 172360), (992, 159155), (1112, 141980), (1145, 137888), (1240, 127324), (1390, 113584), (1832, 86180), (2224, 70990), (2290, 68944), (2480, 63662), (2780, 56792), (3664, 43090), (4309, 36640), (4448, 35495), (4580, 34472), (4960, 31831), (5560, 28396), (7099, 22240), (7328, 21545), (8618, 18320), (9160, 17236), (11120, 14198)]