2040780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 6741504

約数和(自身を除く): 4700724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 113, 129, 140, 172, 210, 215, 226, 258, 301, 339, 420, 430, 452, 516, 565, 602, 645, 678, 791, 860, 903, 1130, 1204, 1290, 1356, 1505, 1582, 1695, 1806, 2260, 2373, 2580, 3010, 3164, 3390, 3612, 3955, 4515, 4746, 4859, 6020, 6780, 7910, 9030, 9492, 9718, 11865, 14577, 15820, 18060, 19436, 23730, 24295, 29154, 34013, 47460, 48590, 58308, 68026, 72885, 97180, 102039, 136052, 145770, 170065, 204078, 291540, 340130, 408156, 510195, 680260, 1020390, 2040780]

約数ペア:

[(1, 2040780), (2, 1020390), (3, 680260), (4, 510195), (5, 408156), (6, 340130), (7, 291540), (10, 204078), (12, 170065), (14, 145770), (15, 136052), (20, 102039), (21, 97180), (28, 72885), (30, 68026), (35, 58308), (42, 48590), (43, 47460), (60, 34013), (70, 29154), (84, 24295), (86, 23730), (105, 19436), (113, 18060), (129, 15820), (140, 14577), (172, 11865), (210, 9718), (215, 9492), (226, 9030), (258, 7910), (301, 6780), (339, 6020), (420, 4859), (430, 4746), (452, 4515), (516, 3955), (565, 3612), (602, 3390), (645, 3164), (678, 3010), (791, 2580), (860, 2373), (903, 2260), (1130, 1806), (1204, 1695), (1290, 1582), (1356, 1505)]