105940640

素因数分解:

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

素因数の和:143

約数の個数: 144

約数和(自身を含む): 283767624

約数和(自身を除く): 177826984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 53, 62, 65, 80, 104, 106, 124, 130, 155, 160, 208, 212, 248, 260, 265, 310, 403, 416, 424, 496, 520, 530, 620, 689, 806, 848, 961, 992, 1040, 1060, 1240, 1378, 1612, 1643, 1696, 1922, 2015, 2080, 2120, 2480, 2756, 3224, 3286, 3445, 3844, 4030, 4240, 4805, 4960, 5512, 6448, 6572, 6890, 7688, 8060, 8215, 8480, 9610, 11024, 12493, 12896, 13144, 13780, 15376, 16120, 16430, 19220, 21359, 22048, 24986, 26288, 27560, 30752, 32240, 32860, 38440, 42718, 49972, 50933, 52576, 55120, 62465, 64480, 65720, 76880, 85436, 99944, 101866, 106795, 110240, 124930, 131440, 153760, 170872, 199888, 203732, 213590, 249860, 254665, 262880, 341744, 399776, 407464, 427180, 499720, 509330, 662129, 683488, 814928, 854360, 999440, 1018660, 1324258, 1629856, 1708720, 1998880, 2037320, 2648516, 3310645, 3417440, 4074640, 5297032, 6621290, 8149280, 10594064, 13242580, 21188128, 26485160, 52970320, 105940640]

約数ペア:

[(1, 105940640), (2, 52970320), (4, 26485160), (5, 21188128), (8, 13242580), (10, 10594064), (13, 8149280), (16, 6621290), (20, 5297032), (26, 4074640), (31, 3417440), (32, 3310645), (40, 2648516), (52, 2037320), (53, 1998880), (62, 1708720), (65, 1629856), (80, 1324258), (104, 1018660), (106, 999440), (124, 854360), (130, 814928), (155, 683488), (160, 662129), (208, 509330), (212, 499720), (248, 427180), (260, 407464), (265, 399776), (310, 341744), (403, 262880), (416, 254665), (424, 249860), (496, 213590), (520, 203732), (530, 199888), (620, 170872), (689, 153760), (806, 131440), (848, 124930), (961, 110240), (992, 106795), (1040, 101866), (1060, 99944), (1240, 85436), (1378, 76880), (1612, 65720), (1643, 64480), (1696, 62465), (1922, 55120), (2015, 52576), (2080, 50933), (2120, 49972), (2480, 42718), (2756, 38440), (3224, 32860), (3286, 32240), (3445, 30752), (3844, 27560), (4030, 26288), (4240, 24986), (4805, 22048), (4960, 21359), (5512, 19220), (6448, 16430), (6572, 16120), (6890, 15376), (7688, 13780), (8060, 13144), (8215, 12896), (8480, 12493), (9610, 11024)]