220181640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262121}}^1$

素因数の和:262142

約数の個数: 64

約数和(自身を含む): 754911360

約数和(自身を除く): 534729720

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, 105, 120, 140, 168, 210, 280, 420, 840, 262121, 524242, 786363, 1048484, 1310605, 1572726, 1834847, 2096968, 2621210, 3145452, 3669694, 3931815, 5242420, 5504541, 6290904, 7339388, 7863630, 9174235, 10484840, 11009082, 14678776, 15727260, 18348470, 22018164, 27522705, 31454520, 36696940, 44036328, 55045410, 73393880, 110090820, 220181640]

約数ペア:

[(1, 220181640), (2, 110090820), (3, 73393880), (4, 55045410), (5, 44036328), (6, 36696940), (7, 31454520), (8, 27522705), (10, 22018164), (12, 18348470), (14, 15727260), (15, 14678776), (20, 11009082), (21, 10484840), (24, 9174235), (28, 7863630), (30, 7339388), (35, 6290904), (40, 5504541), (42, 5242420), (56, 3931815), (60, 3669694), (70, 3145452), (84, 2621210), (105, 2096968), (120, 1834847), (140, 1572726), (168, 1310605), (210, 1048484), (280, 786363), (420, 524242), (840, 262121)]