81353160

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 320

約数和(自身を含む): 332449920

約数和(自身を除く): 251096760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 162, 168, 170, 180, 189, 204, 210, 211, 216, 238, 252, 255, 270, 280, 306, 315, 324, 340, 357, 360, 378, 405, 408, 420, 422, 459, 476, 504, 510, 540, 567, 595, 612, 630, 633, 648, 680, 714, 756, 765, 810, 840, 844, 918, 945, 952, 1020, 1055, 1071, 1080, 1134, 1190, 1224, 1260, 1266, 1377, 1428, 1477, 1512, 1530, 1620, 1688, 1785, 1836, 1890, 1899, 2040, 2110, 2142, 2268, 2295, 2380, 2520, 2532, 2754, 2835, 2856, 2954, 3060, 3165, 3213, 3240, 3570, 3587, 3672, 3780, 3798, 4220, 4284, 4431, 4536, 4590, 4760, 5064, 5355, 5508, 5670, 5697, 5908, 6120, 6330, 6426, 6885, 7140, 7174, 7385, 7560, 7596, 8440, 8568, 8862, 9180, 9495, 9639, 10710, 10761, 11016, 11340, 11394, 11816, 12660, 12852, 13293, 13770, 14280, 14348, 14770, 15192, 16065, 17091, 17724, 17935, 18360, 18990, 19278, 21420, 21522, 22155, 22680, 22788, 25109, 25320, 25704, 26586, 27540, 28485, 28696, 29540, 32130, 32283, 34182, 35448, 35870, 37980, 38556, 39879, 42840, 43044, 44310, 45576, 48195, 50218, 53172, 53805, 55080, 56970, 59080, 64260, 64566, 66465, 68364, 71740, 75327, 75960, 77112, 79758, 85455, 86088, 88620, 96390, 96849, 100436, 106344, 107610, 113940, 119637, 125545, 128520, 129132, 132930, 136728, 143480, 150654, 159516, 161415, 170910, 177240, 192780, 193698, 199395, 200872, 215220, 225981, 227880, 239274, 251090, 258264, 265860, 290547, 301308, 319032, 322830, 341820, 376635, 385560, 387396, 398790, 430440, 451962, 478548, 484245, 502180, 531720, 581094, 598185, 602616, 645660, 677943, 683640, 753270, 774792, 797580, 903924, 957096, 968490, 1004360, 1129905, 1162188, 1196370, 1291320, 1355886, 1452735, 1506540, 1595160, 1807848, 1936980, 2033829, 2259810, 2324376, 2392740, 2711772, 2905470, 3013080, 3389715, 3873960, 4067658, 4519620, 4785480, 5423544, 5810940, 6779430, 8135316, 9039240, 10169145, 11621880, 13558860, 16270632, 20338290, 27117720, 40676580, 81353160]

約数ペア:

[(1, 81353160), (2, 40676580), (3, 27117720), (4, 20338290), (5, 16270632), (6, 13558860), (7, 11621880), (8, 10169145), (9, 9039240), (10, 8135316), (12, 6779430), (14, 5810940), (15, 5423544), (17, 4785480), (18, 4519620), (20, 4067658), (21, 3873960), (24, 3389715), (27, 3013080), (28, 2905470), (30, 2711772), (34, 2392740), (35, 2324376), (36, 2259810), (40, 2033829), (42, 1936980), (45, 1807848), (51, 1595160), (54, 1506540), (56, 1452735), (60, 1355886), (63, 1291320), (68, 1196370), (70, 1162188), (72, 1129905), (81, 1004360), (84, 968490), (85, 957096), (90, 903924), (102, 797580), (105, 774792), (108, 753270), (119, 683640), (120, 677943), (126, 645660), (135, 602616), (136, 598185), (140, 581094), (153, 531720), (162, 502180), (168, 484245), (170, 478548), (180, 451962), (189, 430440), (204, 398790), (210, 387396), (211, 385560), (216, 376635), (238, 341820), (252, 322830), (255, 319032), (270, 301308), (280, 290547), (306, 265860), (315, 258264), (324, 251090), (340, 239274), (357, 227880), (360, 225981), (378, 215220), (405, 200872), (408, 199395), (420, 193698), (422, 192780), (459, 177240), (476, 170910), (504, 161415), (510, 159516), (540, 150654), (567, 143480), (595, 136728), (612, 132930), (630, 129132), (633, 128520), (648, 125545), (680, 119637), (714, 113940), (756, 107610), (765, 106344), (810, 100436), (840, 96849), (844, 96390), (918, 88620), (945, 86088), (952, 85455), (1020, 79758), (1055, 77112), (1071, 75960), (1080, 75327), (1134, 71740), (1190, 68364), (1224, 66465), (1260, 64566), (1266, 64260), (1377, 59080), (1428, 56970), (1477, 55080), (1512, 53805), (1530, 53172), (1620, 50218), (1688, 48195), (1785, 45576), (1836, 44310), (1890, 43044), (1899, 42840), (2040, 39879), (2110, 38556), (2142, 37980), (2268, 35870), (2295, 35448), (2380, 34182), (2520, 32283), (2532, 32130), (2754, 29540), (2835, 28696), (2856, 28485), (2954, 27540), (3060, 26586), (3165, 25704), (3213, 25320), (3240, 25109), (3570, 22788), (3587, 22680), (3672, 22155), (3780, 21522), (3798, 21420), (4220, 19278), (4284, 18990), (4431, 18360), (4536, 17935), (4590, 17724), (4760, 17091), (5064, 16065), (5355, 15192), (5508, 14770), (5670, 14348), (5697, 14280), (5908, 13770), (6120, 13293), (6330, 12852), (6426, 12660), (6885, 11816), (7140, 11394), (7174, 11340), (7385, 11016), (7560, 10761), (7596, 10710), (8440, 9639), (8568, 9495), (8862, 9180)]