74830280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 204871680

約数和(自身を除く): 130041400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 233, 248, 259, 280, 296, 310, 370, 434, 466, 518, 620, 740, 868, 932, 1036, 1085, 1147, 1165, 1240, 1295, 1480, 1631, 1736, 1864, 2072, 2170, 2294, 2330, 2590, 3262, 4340, 4588, 4660, 5180, 5735, 6524, 7223, 8029, 8155, 8621, 8680, 9176, 9320, 10360, 11470, 13048, 14446, 16058, 16310, 17242, 22940, 28892, 32116, 32620, 34484, 36115, 40145, 43105, 45880, 50561, 57784, 60347, 64232, 65240, 68968, 72230, 80290, 86210, 101122, 120694, 144460, 160580, 172420, 202244, 241388, 252805, 267251, 288920, 301735, 321160, 344840, 404488, 482776, 505610, 534502, 603470, 1011220, 1069004, 1206940, 1336255, 1870757, 2022440, 2138008, 2413880, 2672510, 3741514, 5345020, 7483028, 9353785, 10690040, 14966056, 18707570, 37415140, 74830280]

約数ペア:

[(1, 74830280), (2, 37415140), (4, 18707570), (5, 14966056), (7, 10690040), (8, 9353785), (10, 7483028), (14, 5345020), (20, 3741514), (28, 2672510), (31, 2413880), (35, 2138008), (37, 2022440), (40, 1870757), (56, 1336255), (62, 1206940), (70, 1069004), (74, 1011220), (124, 603470), (140, 534502), (148, 505610), (155, 482776), (185, 404488), (217, 344840), (233, 321160), (248, 301735), (259, 288920), (280, 267251), (296, 252805), (310, 241388), (370, 202244), (434, 172420), (466, 160580), (518, 144460), (620, 120694), (740, 101122), (868, 86210), (932, 80290), (1036, 72230), (1085, 68968), (1147, 65240), (1165, 64232), (1240, 60347), (1295, 57784), (1480, 50561), (1631, 45880), (1736, 43105), (1864, 40145), (2072, 36115), (2170, 34484), (2294, 32620), (2330, 32116), (2590, 28892), (3262, 22940), (4340, 17242), (4588, 16310), (4660, 16058), (5180, 14446), (5735, 13048), (6524, 11470), (7223, 10360), (8029, 9320), (8155, 9176), (8621, 8680)]