247189040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 702812160

約数和(自身を除く): 455623120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 80, 112, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 464, 491, 496, 560, 580, 620, 812, 868, 899, 982, 1015, 1085, 1160, 1240, 1624, 1736, 1798, 1964, 2030, 2170, 2320, 2455, 2480, 3248, 3437, 3472, 3596, 3928, 4060, 4340, 4495, 4910, 6293, 6874, 7192, 7856, 8120, 8680, 8990, 9820, 12586, 13748, 14239, 14384, 15221, 16240, 17185, 17360, 17980, 19640, 25172, 27496, 28478, 30442, 31465, 34370, 35960, 39280, 50344, 54992, 56956, 60884, 62930, 68740, 71195, 71920, 76105, 99673, 100688, 106547, 113912, 121768, 125860, 137480, 142390, 152210, 199346, 213094, 227824, 243536, 251720, 274960, 284780, 304420, 398692, 426188, 441409, 498365, 503440, 532735, 569560, 608840, 797384, 852376, 882818, 996730, 1065470, 1139120, 1217680, 1594768, 1704752, 1765636, 1993460, 2130940, 2207045, 3089863, 3531272, 3986920, 4261880, 4414090, 6179726, 7062544, 7973840, 8523760, 8828180, 12359452, 15449315, 17656360, 24718904, 30898630, 35312720, 49437808, 61797260, 123594520, 247189040]

約数ペア:

[(1, 247189040), (2, 123594520), (4, 61797260), (5, 49437808), (7, 35312720), (8, 30898630), (10, 24718904), (14, 17656360), (16, 15449315), (20, 12359452), (28, 8828180), (29, 8523760), (31, 7973840), (35, 7062544), (40, 6179726), (56, 4414090), (58, 4261880), (62, 3986920), (70, 3531272), (80, 3089863), (112, 2207045), (116, 2130940), (124, 1993460), (140, 1765636), (145, 1704752), (155, 1594768), (203, 1217680), (217, 1139120), (232, 1065470), (248, 996730), (280, 882818), (290, 852376), (310, 797384), (406, 608840), (434, 569560), (464, 532735), (491, 503440), (496, 498365), (560, 441409), (580, 426188), (620, 398692), (812, 304420), (868, 284780), (899, 274960), (982, 251720), (1015, 243536), (1085, 227824), (1160, 213094), (1240, 199346), (1624, 152210), (1736, 142390), (1798, 137480), (1964, 125860), (2030, 121768), (2170, 113912), (2320, 106547), (2455, 100688), (2480, 99673), (3248, 76105), (3437, 71920), (3472, 71195), (3596, 68740), (3928, 62930), (4060, 60884), (4340, 56956), (4495, 54992), (4910, 50344), (6293, 39280), (6874, 35960), (7192, 34370), (7856, 31465), (8120, 30442), (8680, 28478), (8990, 27496), (9820, 25172), (12586, 19640), (13748, 17980), (14239, 17360), (14384, 17185), (15221, 16240)]