181405980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:986

約数の個数: 240

約数和(自身を含む): 689363136

約数和(自身を除く): 507957156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 420, 459, 476, 510, 540, 567, 595, 612, 630, 714, 756, 765, 810, 918, 941, 945, 1020, 1071, 1134, 1190, 1260, 1377, 1428, 1530, 1620, 1785, 1836, 1882, 1890, 2142, 2268, 2295, 2380, 2754, 2823, 2835, 3060, 3213, 3570, 3764, 3780, 4284, 4590, 4705, 5355, 5508, 5646, 5670, 6426, 6587, 6885, 7140, 8469, 9180, 9410, 9639, 10710, 11292, 11340, 12852, 13174, 13770, 14115, 15997, 16065, 16938, 18820, 19278, 19761, 21420, 25407, 26348, 27540, 28230, 31994, 32130, 32935, 33876, 38556, 39522, 42345, 47991, 48195, 50814, 56460, 59283, 63988, 64260, 65870, 76221, 79044, 79985, 84690, 95982, 96390, 98805, 101628, 111979, 118566, 127035, 131740, 143973, 152442, 159970, 169380, 177849, 191964, 192780, 197610, 223958, 237132, 239955, 254070, 287946, 296415, 304884, 319940, 335937, 355698, 381105, 395220, 431919, 447916, 479910, 508140, 533547, 559895, 575892, 592830, 671874, 711396, 719865, 762210, 863838, 889245, 959820, 1007811, 1067094, 1119790, 1185660, 1295757, 1343748, 1439730, 1524420, 1679685, 1727676, 1778490, 2015622, 2134188, 2159595, 2239580, 2591514, 2667735, 2879460, 3023433, 3359370, 3556980, 4031244, 4319190, 5039055, 5183028, 5335470, 6046866, 6478785, 6718740, 8638380, 9070299, 10078110, 10670940, 12093732, 12957570, 15117165, 18140598, 20156220, 25915140, 30234330, 36281196, 45351495, 60468660, 90702990, 181405980]

約数ペア:

[(1, 181405980), (2, 90702990), (3, 60468660), (4, 45351495), (5, 36281196), (6, 30234330), (7, 25915140), (9, 20156220), (10, 18140598), (12, 15117165), (14, 12957570), (15, 12093732), (17, 10670940), (18, 10078110), (20, 9070299), (21, 8638380), (27, 6718740), (28, 6478785), (30, 6046866), (34, 5335470), (35, 5183028), (36, 5039055), (42, 4319190), (45, 4031244), (51, 3556980), (54, 3359370), (60, 3023433), (63, 2879460), (68, 2667735), (70, 2591514), (81, 2239580), (84, 2159595), (85, 2134188), (90, 2015622), (102, 1778490), (105, 1727676), (108, 1679685), (119, 1524420), (126, 1439730), (135, 1343748), (140, 1295757), (153, 1185660), (162, 1119790), (170, 1067094), (180, 1007811), (189, 959820), (204, 889245), (210, 863838), (238, 762210), (252, 719865), (255, 711396), (270, 671874), (306, 592830), (315, 575892), (324, 559895), (340, 533547), (357, 508140), (378, 479910), (405, 447916), (420, 431919), (459, 395220), (476, 381105), (510, 355698), (540, 335937), (567, 319940), (595, 304884), (612, 296415), (630, 287946), (714, 254070), (756, 239955), (765, 237132), (810, 223958), (918, 197610), (941, 192780), (945, 191964), (1020, 177849), (1071, 169380), (1134, 159970), (1190, 152442), (1260, 143973), (1377, 131740), (1428, 127035), (1530, 118566), (1620, 111979), (1785, 101628), (1836, 98805), (1882, 96390), (1890, 95982), (2142, 84690), (2268, 79985), (2295, 79044), (2380, 76221), (2754, 65870), (2823, 64260), (2835, 63988), (3060, 59283), (3213, 56460), (3570, 50814), (3764, 48195), (3780, 47991), (4284, 42345), (4590, 39522), (4705, 38556), (5355, 33876), (5508, 32935), (5646, 32130), (5670, 31994), (6426, 28230), (6587, 27540), (6885, 26348), (7140, 25407), (8469, 21420), (9180, 19761), (9410, 19278), (9639, 18820), (10710, 16938), (11292, 16065), (11340, 15997), (12852, 14115), (13174, 13770)]