1287972300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{70381}}^1$

素因数の和:70459

約数の個数: 72

約数和(自身を含む): 3787677712

約数和(自身を除く): 2499705412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1220, 1525, 1830, 3050, 3660, 4575, 6100, 9150, 18300, 70381, 140762, 211143, 281524, 351905, 422286, 703810, 844572, 1055715, 1407620, 1759525, 2111430, 3519050, 4222860, 4293241, 5278575, 7038100, 8586482, 10557150, 12879723, 17172964, 21114300, 21466205, 25759446, 42932410, 51518892, 64398615, 85864820, 107331025, 128797230, 214662050, 257594460, 321993075, 429324100, 643986150, 1287972300]

約数ペア:

[(1, 1287972300), (2, 643986150), (3, 429324100), (4, 321993075), (5, 257594460), (6, 214662050), (10, 128797230), (12, 107331025), (15, 85864820), (20, 64398615), (25, 51518892), (30, 42932410), (50, 25759446), (60, 21466205), (61, 21114300), (75, 17172964), (100, 12879723), (122, 10557150), (150, 8586482), (183, 7038100), (244, 5278575), (300, 4293241), (305, 4222860), (366, 3519050), (610, 2111430), (732, 1759525), (915, 1407620), (1220, 1055715), (1525, 844572), (1830, 703810), (3050, 422286), (3660, 351905), (4575, 281524), (6100, 211143), (9150, 140762), (18300, 70381)]