1642079920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{53}}^1$

素因数の和:172

約数の個数: 160

約数和(自身を含む): 4328722944

約数和(自身を除く): 2686643024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 104, 106, 124, 130, 155, 208, 212, 248, 260, 265, 310, 403, 424, 496, 520, 530, 620, 689, 806, 848, 961, 1040, 1060, 1240, 1378, 1612, 1643, 1922, 2015, 2120, 2480, 2756, 3224, 3286, 3445, 3844, 4030, 4240, 4805, 5512, 6448, 6572, 6890, 7688, 8060, 8215, 9610, 11024, 12493, 13144, 13780, 15376, 16120, 16430, 19220, 21359, 24986, 26288, 27560, 29791, 32240, 32860, 38440, 42718, 49972, 50933, 55120, 59582, 62465, 65720, 76880, 85436, 99944, 101866, 106795, 119164, 124930, 131440, 148955, 170872, 199888, 203732, 213590, 238328, 249860, 254665, 297910, 341744, 387283, 407464, 427180, 476656, 499720, 509330, 595820, 662129, 774566, 814928, 854360, 999440, 1018660, 1191640, 1324258, 1549132, 1578923, 1708720, 1936415, 2037320, 2383280, 2648516, 3098264, 3157846, 3310645, 3872830, 4074640, 5297032, 6196528, 6315692, 6621290, 7745660, 7894615, 10594064, 12631384, 13242580, 15491320, 15789230, 20525999, 25262768, 26485160, 30982640, 31578460, 41051998, 52970320, 63156920, 82103996, 102629995, 126313840, 164207992, 205259990, 328415984, 410519980, 821039960, 1642079920]

約数ペア:

[(1, 1642079920), (2, 821039960), (4, 410519980), (5, 328415984), (8, 205259990), (10, 164207992), (13, 126313840), (16, 102629995), (20, 82103996), (26, 63156920), (31, 52970320), (40, 41051998), (52, 31578460), (53, 30982640), (62, 26485160), (65, 25262768), (80, 20525999), (104, 15789230), (106, 15491320), (124, 13242580), (130, 12631384), (155, 10594064), (208, 7894615), (212, 7745660), (248, 6621290), (260, 6315692), (265, 6196528), (310, 5297032), (403, 4074640), (424, 3872830), (496, 3310645), (520, 3157846), (530, 3098264), (620, 2648516), (689, 2383280), (806, 2037320), (848, 1936415), (961, 1708720), (1040, 1578923), (1060, 1549132), (1240, 1324258), (1378, 1191640), (1612, 1018660), (1643, 999440), (1922, 854360), (2015, 814928), (2120, 774566), (2480, 662129), (2756, 595820), (3224, 509330), (3286, 499720), (3445, 476656), (3844, 427180), (4030, 407464), (4240, 387283), (4805, 341744), (5512, 297910), (6448, 254665), (6572, 249860), (6890, 238328), (7688, 213590), (8060, 203732), (8215, 199888), (9610, 170872), (11024, 148955), (12493, 131440), (13144, 124930), (13780, 119164), (15376, 106795), (16120, 101866), (16430, 99944), (19220, 85436), (21359, 76880), (24986, 65720), (26288, 62465), (27560, 59582), (29791, 55120), (32240, 50933), (32860, 49972), (38440, 42718)]