1657198920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28711}}^1$

素因数の和:28775

約数の個数: 128

約数和(自身を含む): 5498922240

約数和(自身を除く): 3841723320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4810, 5772, 7215, 9620, 11544, 14430, 19240, 28711, 28860, 57422, 57720, 86133, 114844, 143555, 172266, 229688, 287110, 344532, 373243, 430665, 574220, 689064, 746486, 861330, 1062307, 1119729, 1148440, 1492972, 1722660, 1866215, 2124614, 2239458, 2985944, 3186921, 3445320, 3732430, 4249228, 4478916, 5311535, 5598645, 6373842, 7464860, 8498456, 8957832, 10623070, 11197290, 12747684, 13809991, 14929720, 15934605, 21246140, 22394580, 25495368, 27619982, 31869210, 41429973, 42492280, 44789160, 55239964, 63738420, 69049955, 82859946, 110479928, 127476840, 138099910, 165719892, 207149865, 276199820, 331439784, 414299730, 552399640, 828599460, 1657198920]

約数ペア:

[(1, 1657198920), (2, 828599460), (3, 552399640), (4, 414299730), (5, 331439784), (6, 276199820), (8, 207149865), (10, 165719892), (12, 138099910), (13, 127476840), (15, 110479928), (20, 82859946), (24, 69049955), (26, 63738420), (30, 55239964), (37, 44789160), (39, 42492280), (40, 41429973), (52, 31869210), (60, 27619982), (65, 25495368), (74, 22394580), (78, 21246140), (104, 15934605), (111, 14929720), (120, 13809991), (130, 12747684), (148, 11197290), (156, 10623070), (185, 8957832), (195, 8498456), (222, 7464860), (260, 6373842), (296, 5598645), (312, 5311535), (370, 4478916), (390, 4249228), (444, 3732430), (481, 3445320), (520, 3186921), (555, 2985944), (740, 2239458), (780, 2124614), (888, 1866215), (962, 1722660), (1110, 1492972), (1443, 1148440), (1480, 1119729), (1560, 1062307), (1924, 861330), (2220, 746486), (2405, 689064), (2886, 574220), (3848, 430665), (4440, 373243), (4810, 344532), (5772, 287110), (7215, 229688), (9620, 172266), (11544, 143555), (14430, 114844), (19240, 86133), (28711, 57720), (28860, 57422)]