2271640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 6361200

約数和(自身を除く): 4089560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 61, 70, 76, 95, 98, 122, 133, 140, 152, 190, 196, 244, 245, 266, 280, 305, 380, 392, 427, 488, 490, 532, 610, 665, 760, 854, 931, 980, 1064, 1159, 1220, 1330, 1708, 1862, 1960, 2135, 2318, 2440, 2660, 2989, 3416, 3724, 4270, 4636, 4655, 5320, 5795, 5978, 7448, 8113, 8540, 9272, 9310, 11590, 11956, 14945, 16226, 17080, 18620, 23180, 23912, 29890, 32452, 37240, 40565, 46360, 56791, 59780, 64904, 81130, 113582, 119560, 162260, 227164, 283955, 324520, 454328, 567910, 1135820, 2271640]

約数ペア:

[(1, 2271640), (2, 1135820), (4, 567910), (5, 454328), (7, 324520), (8, 283955), (10, 227164), (14, 162260), (19, 119560), (20, 113582), (28, 81130), (35, 64904), (38, 59780), (40, 56791), (49, 46360), (56, 40565), (61, 37240), (70, 32452), (76, 29890), (95, 23912), (98, 23180), (122, 18620), (133, 17080), (140, 16226), (152, 14945), (190, 11956), (196, 11590), (244, 9310), (245, 9272), (266, 8540), (280, 8113), (305, 7448), (380, 5978), (392, 5795), (427, 5320), (488, 4655), (490, 4636), (532, 4270), (610, 3724), (665, 3416), (760, 2989), (854, 2660), (931, 2440), (980, 2318), (1064, 2135), (1159, 1960), (1220, 1862), (1330, 1708)]