221347560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2609}}^1$

素因数の和:2731

約数の個数: 128

約数和(自身を含む): 766713600

約数和(自身を除く): 545366040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2424, 2609, 2828, 3030, 3535, 4040, 4242, 5218, 5656, 6060, 7070, 7827, 8484, 10436, 10605, 12120, 13045, 14140, 15654, 16968, 18263, 20872, 21210, 26090, 28280, 31308, 36526, 39135, 42420, 52180, 54789, 62616, 73052, 78270, 84840, 91315, 104360, 109578, 146104, 156540, 182630, 219156, 263509, 273945, 313080, 365260, 438312, 527018, 547890, 730520, 790527, 1054036, 1095780, 1317545, 1581054, 1844563, 2108072, 2191560, 2635090, 3162108, 3689126, 3952635, 5270180, 5533689, 6324216, 7378252, 7905270, 9222815, 10540360, 11067378, 14756504, 15810540, 18445630, 22134756, 27668445, 31621080, 36891260, 44269512, 55336890, 73782520, 110673780, 221347560]

約数ペア:

[(1, 221347560), (2, 110673780), (3, 73782520), (4, 55336890), (5, 44269512), (6, 36891260), (7, 31621080), (8, 27668445), (10, 22134756), (12, 18445630), (14, 15810540), (15, 14756504), (20, 11067378), (21, 10540360), (24, 9222815), (28, 7905270), (30, 7378252), (35, 6324216), (40, 5533689), (42, 5270180), (56, 3952635), (60, 3689126), (70, 3162108), (84, 2635090), (101, 2191560), (105, 2108072), (120, 1844563), (140, 1581054), (168, 1317545), (202, 1095780), (210, 1054036), (280, 790527), (303, 730520), (404, 547890), (420, 527018), (505, 438312), (606, 365260), (707, 313080), (808, 273945), (840, 263509), (1010, 219156), (1212, 182630), (1414, 156540), (1515, 146104), (2020, 109578), (2121, 104360), (2424, 91315), (2609, 84840), (2828, 78270), (3030, 73052), (3535, 62616), (4040, 54789), (4242, 52180), (5218, 42420), (5656, 39135), (6060, 36526), (7070, 31308), (7827, 28280), (8484, 26090), (10436, 21210), (10605, 20872), (12120, 18263), (13045, 16968), (14140, 15654)]