68539240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2$

素因数の和:81

約数の個数: 216

約数和(自身を含む): 209463030

約数和(自身を除く): 140923790

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 85, 88, 98, 110, 119, 121, 136, 140, 154, 170, 187, 196, 220, 238, 242, 245, 280, 289, 308, 340, 374, 385, 392, 440, 476, 484, 490, 539, 578, 595, 605, 616, 680, 748, 770, 833, 847, 935, 952, 968, 980, 1078, 1156, 1190, 1210, 1309, 1445, 1496, 1540, 1666, 1694, 1870, 1960, 2023, 2057, 2156, 2312, 2380, 2420, 2618, 2695, 2890, 3080, 3179, 3332, 3388, 3740, 4046, 4114, 4165, 4235, 4312, 4760, 4840, 5236, 5390, 5780, 5929, 6358, 6545, 6664, 6776, 7480, 8092, 8228, 8330, 8470, 9163, 10115, 10285, 10472, 10780, 11560, 11858, 12716, 13090, 14161, 14399, 15895, 16184, 16456, 16660, 16940, 18326, 20230, 20570, 21560, 22253, 23716, 25432, 26180, 28322, 28798, 29645, 31790, 33320, 33880, 34969, 36652, 40460, 41140, 44506, 45815, 47432, 52360, 56644, 57596, 59290, 63580, 69938, 70805, 71995, 73304, 80920, 82280, 89012, 91630, 100793, 111265, 113288, 115192, 118580, 127160, 139876, 141610, 143990, 155771, 174845, 178024, 183260, 201586, 222530, 237160, 244783, 279752, 283220, 287980, 311542, 349690, 366520, 403172, 445060, 489566, 503965, 566440, 575960, 623084, 699380, 778855, 806344, 890120, 979132, 1007930, 1223915, 1246168, 1398760, 1557710, 1713481, 1958264, 2015860, 2447830, 3115420, 3426962, 4031720, 4895660, 6230840, 6853924, 8567405, 9791320, 13707848, 17134810, 34269620, 68539240]

約数ペア:

[(1, 68539240), (2, 34269620), (4, 17134810), (5, 13707848), (7, 9791320), (8, 8567405), (10, 6853924), (11, 6230840), (14, 4895660), (17, 4031720), (20, 3426962), (22, 3115420), (28, 2447830), (34, 2015860), (35, 1958264), (40, 1713481), (44, 1557710), (49, 1398760), (55, 1246168), (56, 1223915), (68, 1007930), (70, 979132), (77, 890120), (85, 806344), (88, 778855), (98, 699380), (110, 623084), (119, 575960), (121, 566440), (136, 503965), (140, 489566), (154, 445060), (170, 403172), (187, 366520), (196, 349690), (220, 311542), (238, 287980), (242, 283220), (245, 279752), (280, 244783), (289, 237160), (308, 222530), (340, 201586), (374, 183260), (385, 178024), (392, 174845), (440, 155771), (476, 143990), (484, 141610), (490, 139876), (539, 127160), (578, 118580), (595, 115192), (605, 113288), (616, 111265), (680, 100793), (748, 91630), (770, 89012), (833, 82280), (847, 80920), (935, 73304), (952, 71995), (968, 70805), (980, 69938), (1078, 63580), (1156, 59290), (1190, 57596), (1210, 56644), (1309, 52360), (1445, 47432), (1496, 45815), (1540, 44506), (1666, 41140), (1694, 40460), (1870, 36652), (1960, 34969), (2023, 33880), (2057, 33320), (2156, 31790), (2312, 29645), (2380, 28798), (2420, 28322), (2618, 26180), (2695, 25432), (2890, 23716), (3080, 22253), (3179, 21560), (3332, 20570), (3388, 20230), (3740, 18326), (4046, 16940), (4114, 16660), (4165, 16456), (4235, 16184), (4312, 15895), (4760, 14399), (4840, 14161), (5236, 13090), (5390, 12716), (5780, 11858), (5929, 11560), (6358, 10780), (6545, 10472), (6664, 10285), (6776, 10115), (7480, 9163), (8092, 8470), (8228, 8330)]