78715620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 248609088

約数和(自身を除く): 169893468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 67, 90, 107, 122, 134, 180, 183, 201, 214, 244, 268, 305, 321, 335, 366, 402, 428, 535, 549, 603, 610, 642, 670, 732, 804, 915, 963, 1005, 1070, 1098, 1206, 1220, 1284, 1340, 1605, 1830, 1926, 2010, 2140, 2196, 2412, 2745, 3015, 3210, 3660, 3852, 4020, 4087, 4815, 5490, 6030, 6420, 6527, 7169, 8174, 9630, 10980, 12060, 12261, 13054, 14338, 16348, 19260, 19581, 20435, 21507, 24522, 26108, 28676, 32635, 35845, 36783, 39162, 40870, 43014, 49044, 58743, 61305, 64521, 65270, 71690, 73566, 78324, 81740, 86028, 97905, 107535, 117486, 122610, 129042, 130540, 143380, 147132, 183915, 195810, 215070, 234972, 245220, 258084, 293715, 322605, 367830, 391620, 430140, 437309, 587430, 645210, 735660, 874618, 1174860, 1290420, 1311927, 1749236, 2186545, 2623854, 3935781, 4373090, 5247708, 6559635, 7871562, 8746180, 13119270, 15743124, 19678905, 26238540, 39357810, 78715620]

約数ペア:

[(1, 78715620), (2, 39357810), (3, 26238540), (4, 19678905), (5, 15743124), (6, 13119270), (9, 8746180), (10, 7871562), (12, 6559635), (15, 5247708), (18, 4373090), (20, 3935781), (30, 2623854), (36, 2186545), (45, 1749236), (60, 1311927), (61, 1290420), (67, 1174860), (90, 874618), (107, 735660), (122, 645210), (134, 587430), (180, 437309), (183, 430140), (201, 391620), (214, 367830), (244, 322605), (268, 293715), (305, 258084), (321, 245220), (335, 234972), (366, 215070), (402, 195810), (428, 183915), (535, 147132), (549, 143380), (603, 130540), (610, 129042), (642, 122610), (670, 117486), (732, 107535), (804, 97905), (915, 86028), (963, 81740), (1005, 78324), (1070, 73566), (1098, 71690), (1206, 65270), (1220, 64521), (1284, 61305), (1340, 58743), (1605, 49044), (1830, 43014), (1926, 40870), (2010, 39162), (2140, 36783), (2196, 35845), (2412, 32635), (2745, 28676), (3015, 26108), (3210, 24522), (3660, 21507), (3852, 20435), (4020, 19581), (4087, 19260), (4815, 16348), (5490, 14338), (6030, 13054), (6420, 12261), (6527, 12060), (7169, 10980), (8174, 9630)]