40681620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 143095680

約数和(自身を除く): 102414060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 389, 415, 420, 498, 581, 630, 747, 778, 830, 996, 1162, 1167, 1245, 1260, 1494, 1556, 1660, 1743, 1945, 2324, 2334, 2490, 2723, 2905, 2988, 3486, 3501, 3735, 3890, 4668, 4980, 5229, 5446, 5810, 5835, 6972, 7002, 7470, 7780, 8169, 8715, 10458, 10892, 11620, 11670, 13615, 14004, 14940, 16338, 17430, 17505, 20916, 23340, 24507, 26145, 27230, 32287, 32676, 34860, 35010, 40845, 49014, 52290, 54460, 64574, 70020, 81690, 96861, 98028, 104580, 122535, 129148, 161435, 163380, 193722, 226009, 245070, 290583, 322870, 387444, 452018, 484305, 490140, 581166, 645740, 678027, 904036, 968610, 1130045, 1162332, 1356054, 1452915, 1937220, 2034081, 2260090, 2712108, 2905830, 3390135, 4068162, 4520180, 5811660, 6780270, 8136324, 10170405, 13560540, 20340810, 40681620]

約数ペア:

[(1, 40681620), (2, 20340810), (3, 13560540), (4, 10170405), (5, 8136324), (6, 6780270), (7, 5811660), (9, 4520180), (10, 4068162), (12, 3390135), (14, 2905830), (15, 2712108), (18, 2260090), (20, 2034081), (21, 1937220), (28, 1452915), (30, 1356054), (35, 1162332), (36, 1130045), (42, 968610), (45, 904036), (60, 678027), (63, 645740), (70, 581166), (83, 490140), (84, 484305), (90, 452018), (105, 387444), (126, 322870), (140, 290583), (166, 245070), (180, 226009), (210, 193722), (249, 163380), (252, 161435), (315, 129148), (332, 122535), (389, 104580), (415, 98028), (420, 96861), (498, 81690), (581, 70020), (630, 64574), (747, 54460), (778, 52290), (830, 49014), (996, 40845), (1162, 35010), (1167, 34860), (1245, 32676), (1260, 32287), (1494, 27230), (1556, 26145), (1660, 24507), (1743, 23340), (1945, 20916), (2324, 17505), (2334, 17430), (2490, 16338), (2723, 14940), (2905, 14004), (2988, 13615), (3486, 11670), (3501, 11620), (3735, 10892), (3890, 10458), (4668, 8715), (4980, 8169), (5229, 7780), (5446, 7470), (5810, 7002), (5835, 6972)]