65008920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 202487040

約数和(自身を除く): 137478120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 83, 107, 120, 122, 166, 183, 214, 244, 249, 305, 321, 332, 366, 415, 428, 488, 498, 535, 610, 642, 664, 732, 830, 856, 915, 996, 1070, 1220, 1245, 1284, 1464, 1605, 1660, 1830, 1992, 2140, 2440, 2490, 2568, 3210, 3320, 3660, 4280, 4980, 5063, 6420, 6527, 7320, 8881, 9960, 10126, 12840, 13054, 15189, 17762, 19581, 20252, 25315, 26108, 26643, 30378, 32635, 35524, 39162, 40504, 44405, 50630, 52216, 53286, 60756, 65270, 71048, 75945, 78324, 88810, 97905, 101260, 106572, 121512, 130540, 133215, 151890, 156648, 177620, 195810, 202520, 213144, 261080, 266430, 303780, 355240, 391620, 532860, 541741, 607560, 783240, 1065720, 1083482, 1625223, 2166964, 2708705, 3250446, 4333928, 5417410, 6500892, 8126115, 10834820, 13001784, 16252230, 21669640, 32504460, 65008920]

約数ペア:

[(1, 65008920), (2, 32504460), (3, 21669640), (4, 16252230), (5, 13001784), (6, 10834820), (8, 8126115), (10, 6500892), (12, 5417410), (15, 4333928), (20, 3250446), (24, 2708705), (30, 2166964), (40, 1625223), (60, 1083482), (61, 1065720), (83, 783240), (107, 607560), (120, 541741), (122, 532860), (166, 391620), (183, 355240), (214, 303780), (244, 266430), (249, 261080), (305, 213144), (321, 202520), (332, 195810), (366, 177620), (415, 156648), (428, 151890), (488, 133215), (498, 130540), (535, 121512), (610, 106572), (642, 101260), (664, 97905), (732, 88810), (830, 78324), (856, 75945), (915, 71048), (996, 65270), (1070, 60756), (1220, 53286), (1245, 52216), (1284, 50630), (1464, 44405), (1605, 40504), (1660, 39162), (1830, 35524), (1992, 32635), (2140, 30378), (2440, 26643), (2490, 26108), (2568, 25315), (3210, 20252), (3320, 19581), (3660, 17762), (4280, 15189), (4980, 13054), (5063, 12840), (6420, 10126), (6527, 9960), (7320, 8881)]