2855720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 7879680

約数和(自身を除く): 5023960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 49, 56, 62, 70, 94, 98, 124, 140, 155, 188, 196, 217, 235, 245, 248, 280, 310, 329, 376, 392, 434, 470, 490, 620, 658, 868, 940, 980, 1085, 1240, 1316, 1457, 1519, 1645, 1736, 1880, 1960, 2170, 2303, 2632, 2914, 3038, 3290, 4340, 4606, 5828, 6076, 6580, 7285, 7595, 8680, 9212, 10199, 11515, 11656, 12152, 13160, 14570, 15190, 18424, 20398, 23030, 29140, 30380, 40796, 46060, 50995, 58280, 60760, 71393, 81592, 92120, 101990, 142786, 203980, 285572, 356965, 407960, 571144, 713930, 1427860, 2855720]

約数ペア:

[(1, 2855720), (2, 1427860), (4, 713930), (5, 571144), (7, 407960), (8, 356965), (10, 285572), (14, 203980), (20, 142786), (28, 101990), (31, 92120), (35, 81592), (40, 71393), (47, 60760), (49, 58280), (56, 50995), (62, 46060), (70, 40796), (94, 30380), (98, 29140), (124, 23030), (140, 20398), (155, 18424), (188, 15190), (196, 14570), (217, 13160), (235, 12152), (245, 11656), (248, 11515), (280, 10199), (310, 9212), (329, 8680), (376, 7595), (392, 7285), (434, 6580), (470, 6076), (490, 5828), (620, 4606), (658, 4340), (868, 3290), (940, 3038), (980, 2914), (1085, 2632), (1240, 2303), (1316, 2170), (1457, 1960), (1519, 1880), (1645, 1736)]