81619110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 228251520

約数和(自身を除く): 146632410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 73, 82, 90, 101, 123, 135, 146, 202, 205, 219, 246, 270, 303, 365, 369, 410, 438, 505, 606, 615, 657, 730, 738, 909, 1010, 1095, 1107, 1230, 1314, 1515, 1818, 1845, 1971, 2190, 2214, 2727, 2993, 3030, 3285, 3690, 3942, 4141, 4545, 5454, 5535, 5986, 6570, 7373, 8282, 8979, 9090, 9855, 11070, 12423, 13635, 14746, 14965, 17958, 19710, 20705, 22119, 24846, 26937, 27270, 29930, 36865, 37269, 41410, 44238, 44895, 53874, 62115, 66357, 73730, 74538, 80811, 89790, 110595, 111807, 124230, 132714, 134685, 161622, 186345, 199071, 221190, 223614, 269370, 302293, 331785, 372690, 398142, 404055, 559035, 604586, 663570, 808110, 906879, 995355, 1118070, 1511465, 1813758, 1990710, 2720637, 3022930, 4534395, 5441274, 8161911, 9068790, 13603185, 16323822, 27206370, 40809555, 81619110]

約数ペア:

[(1, 81619110), (2, 40809555), (3, 27206370), (5, 16323822), (6, 13603185), (9, 9068790), (10, 8161911), (15, 5441274), (18, 4534395), (27, 3022930), (30, 2720637), (41, 1990710), (45, 1813758), (54, 1511465), (73, 1118070), (82, 995355), (90, 906879), (101, 808110), (123, 663570), (135, 604586), (146, 559035), (202, 404055), (205, 398142), (219, 372690), (246, 331785), (270, 302293), (303, 269370), (365, 223614), (369, 221190), (410, 199071), (438, 186345), (505, 161622), (606, 134685), (615, 132714), (657, 124230), (730, 111807), (738, 110595), (909, 89790), (1010, 80811), (1095, 74538), (1107, 73730), (1230, 66357), (1314, 62115), (1515, 53874), (1818, 44895), (1845, 44238), (1971, 41410), (2190, 37269), (2214, 36865), (2727, 29930), (2993, 27270), (3030, 26937), (3285, 24846), (3690, 22119), (3942, 20705), (4141, 19710), (4545, 17958), (5454, 14965), (5535, 14746), (5986, 13635), (6570, 12423), (7373, 11070), (8282, 9855), (8979, 9090)]