1881020040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 256

約数和(自身を含む): 6195916800

約数和(自身を除く): 4314896760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 71, 87, 92, 115, 116, 120, 138, 142, 145, 174, 184, 213, 230, 232, 276, 284, 290, 331, 345, 348, 355, 426, 435, 460, 552, 568, 580, 662, 667, 690, 696, 710, 852, 870, 920, 993, 1065, 1160, 1324, 1334, 1380, 1420, 1633, 1655, 1704, 1740, 1986, 2001, 2059, 2130, 2648, 2668, 2760, 2840, 3266, 3310, 3335, 3480, 3972, 4002, 4118, 4260, 4899, 4965, 5336, 6177, 6532, 6620, 6670, 7613, 7944, 8004, 8165, 8236, 8520, 9599, 9798, 9930, 10005, 10295, 12354, 13064, 13240, 13340, 15226, 16008, 16330, 16472, 19198, 19596, 19860, 20010, 20590, 22839, 23501, 24495, 24708, 26680, 28797, 30452, 30885, 32660, 38065, 38396, 39192, 39720, 40020, 41180, 45678, 47002, 47357, 47995, 48990, 49416, 57594, 60904, 61770, 65320, 70503, 76130, 76792, 80040, 82360, 91356, 94004, 94714, 95990, 97980, 114195, 115188, 117505, 123540, 141006, 142071, 143985, 152260, 182712, 188008, 189428, 191980, 195960, 220777, 228390, 230376, 235010, 236785, 247080, 282012, 284142, 287970, 304520, 352515, 378856, 383960, 441554, 456780, 470020, 473570, 540523, 564024, 568284, 575940, 662331, 681529, 705030, 710355, 883108, 913560, 940040, 947140, 1081046, 1103885, 1136568, 1151880, 1324662, 1363058, 1410060, 1420710, 1621569, 1766216, 1894280, 2044587, 2162092, 2207770, 2649324, 2702615, 2726116, 2820120, 2841420, 3243138, 3311655, 3407645, 4089174, 4324184, 4415540, 5298648, 5405230, 5452232, 5682840, 6486276, 6623310, 6815290, 8107845, 8178348, 8831080, 10222935, 10810460, 12972552, 13246620, 13630580, 15675167, 16215690, 16356696, 20445870, 21620920, 26493240, 27261160, 31350334, 32431380, 40891740, 47025501, 62700668, 64862760, 78375835, 81783480, 94051002, 125401336, 156751670, 188102004, 235127505, 313503340, 376204008, 470255010, 627006680, 940510020, 1881020040]

約数ペア:

[(1, 1881020040), (2, 940510020), (3, 627006680), (4, 470255010), (5, 376204008), (6, 313503340), (8, 235127505), (10, 188102004), (12, 156751670), (15, 125401336), (20, 94051002), (23, 81783480), (24, 78375835), (29, 64862760), (30, 62700668), (40, 47025501), (46, 40891740), (58, 32431380), (60, 31350334), (69, 27261160), (71, 26493240), (87, 21620920), (92, 20445870), (115, 16356696), (116, 16215690), (120, 15675167), (138, 13630580), (142, 13246620), (145, 12972552), (174, 10810460), (184, 10222935), (213, 8831080), (230, 8178348), (232, 8107845), (276, 6815290), (284, 6623310), (290, 6486276), (331, 5682840), (345, 5452232), (348, 5405230), (355, 5298648), (426, 4415540), (435, 4324184), (460, 4089174), (552, 3407645), (568, 3311655), (580, 3243138), (662, 2841420), (667, 2820120), (690, 2726116), (696, 2702615), (710, 2649324), (852, 2207770), (870, 2162092), (920, 2044587), (993, 1894280), (1065, 1766216), (1160, 1621569), (1324, 1420710), (1334, 1410060), (1380, 1363058), (1420, 1324662), (1633, 1151880), (1655, 1136568), (1704, 1103885), (1740, 1081046), (1986, 947140), (2001, 940040), (2059, 913560), (2130, 883108), (2648, 710355), (2668, 705030), (2760, 681529), (2840, 662331), (3266, 575940), (3310, 568284), (3335, 564024), (3480, 540523), (3972, 473570), (4002, 470020), (4118, 456780), (4260, 441554), (4899, 383960), (4965, 378856), (5336, 352515), (6177, 304520), (6532, 287970), (6620, 284142), (6670, 282012), (7613, 247080), (7944, 236785), (8004, 235010), (8165, 230376), (8236, 228390), (8520, 220777), (9599, 195960), (9798, 191980), (9930, 189428), (10005, 188008), (10295, 182712), (12354, 152260), (13064, 143985), (13240, 142071), (13340, 141006), (15226, 123540), (16008, 117505), (16330, 115188), (16472, 114195), (19198, 97980), (19596, 95990), (19860, 94714), (20010, 94004), (20590, 91356), (22839, 82360), (23501, 80040), (24495, 76792), (24708, 76130), (26680, 70503), (28797, 65320), (30452, 61770), (30885, 60904), (32660, 57594), (38065, 49416), (38396, 48990), (39192, 47995), (39720, 47357), (40020, 47002), (41180, 45678)]