261212877040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{24421}}^1$

素因数の和:24711

約数の個数: 160

約数和(自身を含む): 662840432640

約数和(自身を除く): 401627555600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 227, 248, 304, 310, 380, 454, 496, 589, 620, 760, 908, 1135, 1178, 1240, 1520, 1816, 2270, 2356, 2480, 2945, 3632, 4313, 4540, 4712, 5890, 7037, 8626, 9080, 9424, 11780, 14074, 17252, 18160, 21565, 23560, 24421, 28148, 34504, 35185, 43130, 47120, 48842, 56296, 69008, 70370, 86260, 97684, 112592, 122105, 133703, 140740, 172520, 195368, 244210, 267406, 281480, 345040, 390736, 463999, 488420, 534812, 562960, 668515, 757051, 927998, 976840, 1069624, 1337030, 1514102, 1855996, 1953680, 2139248, 2319995, 2674060, 3028204, 3711992, 3785255, 4639990, 5348120, 5543567, 6056408, 7423984, 7570510, 9279980, 10696240, 11087134, 12112816, 14383969, 15141020, 18559960, 22174268, 27717835, 28767938, 30282040, 37119920, 44348536, 55435670, 57535876, 60564080, 71919845, 88697072, 105327773, 110871340, 115071752, 143839690, 171850577, 210655546, 221742680, 230143504, 287679380, 343701154, 421311092, 443485360, 526638865, 575358760, 687402308, 842622184, 859252885, 1053277730, 1150717520, 1374804616, 1685244368, 1718505770, 2106555460, 2749609232, 3265160963, 3437011540, 4213110920, 6530321926, 6874023080, 8426221840, 13060643852, 13748046160, 16325804815, 26121287704, 32651609630, 52242575408, 65303219260, 130606438520, 261212877040]

約数ペア:

[(1, 261212877040), (2, 130606438520), (4, 65303219260), (5, 52242575408), (8, 32651609630), (10, 26121287704), (16, 16325804815), (19, 13748046160), (20, 13060643852), (31, 8426221840), (38, 6874023080), (40, 6530321926), (62, 4213110920), (76, 3437011540), (80, 3265160963), (95, 2749609232), (124, 2106555460), (152, 1718505770), (155, 1685244368), (190, 1374804616), (227, 1150717520), (248, 1053277730), (304, 859252885), (310, 842622184), (380, 687402308), (454, 575358760), (496, 526638865), (589, 443485360), (620, 421311092), (760, 343701154), (908, 287679380), (1135, 230143504), (1178, 221742680), (1240, 210655546), (1520, 171850577), (1816, 143839690), (2270, 115071752), (2356, 110871340), (2480, 105327773), (2945, 88697072), (3632, 71919845), (4313, 60564080), (4540, 57535876), (4712, 55435670), (5890, 44348536), (7037, 37119920), (8626, 30282040), (9080, 28767938), (9424, 27717835), (11780, 22174268), (14074, 18559960), (17252, 15141020), (18160, 14383969), (21565, 12112816), (23560, 11087134), (24421, 10696240), (28148, 9279980), (34504, 7570510), (35185, 7423984), (43130, 6056408), (47120, 5543567), (48842, 5348120), (56296, 4639990), (69008, 3785255), (70370, 3711992), (86260, 3028204), (97684, 2674060), (112592, 2319995), (122105, 2139248), (133703, 1953680), (140740, 1855996), (172520, 1514102), (195368, 1337030), (244210, 1069624), (267406, 976840), (281480, 927998), (345040, 757051), (390736, 668515), (463999, 562960), (488420, 534812)]