7781040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 26636688

約数和(自身を除く): 18855648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 107, 120, 144, 180, 202, 214, 240, 303, 321, 360, 404, 428, 505, 535, 606, 642, 720, 808, 856, 909, 963, 1010, 1070, 1212, 1284, 1515, 1605, 1616, 1712, 1818, 1926, 2020, 2140, 2424, 2568, 3030, 3210, 3636, 3852, 4040, 4280, 4545, 4815, 4848, 5136, 6060, 6420, 7272, 7704, 8080, 8560, 9090, 9630, 10807, 12120, 12840, 14544, 15408, 18180, 19260, 21614, 24240, 25680, 32421, 36360, 38520, 43228, 54035, 64842, 72720, 77040, 86456, 97263, 108070, 129684, 162105, 172912, 194526, 216140, 259368, 324210, 389052, 432280, 486315, 518736, 648420, 778104, 864560, 972630, 1296840, 1556208, 1945260, 2593680, 3890520, 7781040]

約数ペア:

[(1, 7781040), (2, 3890520), (3, 2593680), (4, 1945260), (5, 1556208), (6, 1296840), (8, 972630), (9, 864560), (10, 778104), (12, 648420), (15, 518736), (16, 486315), (18, 432280), (20, 389052), (24, 324210), (30, 259368), (36, 216140), (40, 194526), (45, 172912), (48, 162105), (60, 129684), (72, 108070), (80, 97263), (90, 86456), (101, 77040), (107, 72720), (120, 64842), (144, 54035), (180, 43228), (202, 38520), (214, 36360), (240, 32421), (303, 25680), (321, 24240), (360, 21614), (404, 19260), (428, 18180), (505, 15408), (535, 14544), (606, 12840), (642, 12120), (720, 10807), (808, 9630), (856, 9090), (909, 8560), (963, 8080), (1010, 7704), (1070, 7272), (1212, 6420), (1284, 6060), (1515, 5136), (1605, 4848), (1616, 4815), (1712, 4545), (1818, 4280), (1926, 4040), (2020, 3852), (2140, 3636), (2424, 3210), (2568, 3030)]