81132030

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 160

約数和(自身を含む): 256132800

約数和(自身を除く): 175000770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 81, 82, 90, 105, 123, 126, 135, 162, 189, 205, 210, 246, 270, 287, 315, 349, 369, 378, 405, 410, 567, 574, 615, 630, 698, 738, 810, 861, 945, 1047, 1107, 1134, 1230, 1435, 1722, 1745, 1845, 1890, 2094, 2214, 2443, 2583, 2835, 2870, 3141, 3321, 3490, 3690, 4305, 4886, 5166, 5235, 5535, 5670, 6282, 6642, 7329, 7749, 8610, 9423, 10470, 11070, 12215, 12915, 14309, 14658, 15498, 15705, 16605, 18846, 21987, 23247, 24430, 25830, 28269, 28618, 31410, 33210, 36645, 38745, 42927, 43974, 46494, 47115, 56538, 65961, 71545, 73290, 77490, 85854, 94230, 100163, 109935, 116235, 128781, 131922, 141345, 143090, 197883, 200326, 214635, 219870, 232470, 257562, 282690, 300489, 329805, 386343, 395766, 429270, 500815, 600978, 643905, 659610, 772686, 901467, 989415, 1001630, 1159029, 1287810, 1502445, 1802934, 1931715, 1978830, 2318058, 2704401, 3004890, 3863430, 4507335, 5408802, 5795145, 8113203, 9014670, 11590290, 13522005, 16226406, 27044010, 40566015, 81132030]

約数ペア:

[(1, 81132030), (2, 40566015), (3, 27044010), (5, 16226406), (6, 13522005), (7, 11590290), (9, 9014670), (10, 8113203), (14, 5795145), (15, 5408802), (18, 4507335), (21, 3863430), (27, 3004890), (30, 2704401), (35, 2318058), (41, 1978830), (42, 1931715), (45, 1802934), (54, 1502445), (63, 1287810), (70, 1159029), (81, 1001630), (82, 989415), (90, 901467), (105, 772686), (123, 659610), (126, 643905), (135, 600978), (162, 500815), (189, 429270), (205, 395766), (210, 386343), (246, 329805), (270, 300489), (287, 282690), (315, 257562), (349, 232470), (369, 219870), (378, 214635), (405, 200326), (410, 197883), (567, 143090), (574, 141345), (615, 131922), (630, 128781), (698, 116235), (738, 109935), (810, 100163), (861, 94230), (945, 85854), (1047, 77490), (1107, 73290), (1134, 71545), (1230, 65961), (1435, 56538), (1722, 47115), (1745, 46494), (1845, 43974), (1890, 42927), (2094, 38745), (2214, 36645), (2443, 33210), (2583, 31410), (2835, 28618), (2870, 28269), (3141, 25830), (3321, 24430), (3490, 23247), (3690, 21987), (4305, 18846), (4886, 16605), (5166, 15705), (5235, 15498), (5535, 14658), (5670, 14309), (6282, 12915), (6642, 12215), (7329, 11070), (7749, 10470), (8610, 9423)]