16591980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 48787200

約数和(自身を除く): 32195220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 59, 60, 86, 109, 118, 129, 172, 177, 215, 218, 236, 258, 295, 327, 354, 430, 436, 516, 545, 590, 645, 654, 708, 860, 885, 1090, 1180, 1290, 1308, 1635, 1770, 2180, 2537, 2580, 3270, 3540, 4687, 5074, 6431, 6540, 7611, 9374, 10148, 12685, 12862, 14061, 15222, 18748, 19293, 23435, 25370, 25724, 28122, 30444, 32155, 38055, 38586, 46870, 50740, 56244, 64310, 70305, 76110, 77172, 93740, 96465, 128620, 140610, 152220, 192930, 276533, 281220, 385860, 553066, 829599, 1106132, 1382665, 1659198, 2765330, 3318396, 4147995, 5530660, 8295990, 16591980]

約数ペア:

[(1, 16591980), (2, 8295990), (3, 5530660), (4, 4147995), (5, 3318396), (6, 2765330), (10, 1659198), (12, 1382665), (15, 1106132), (20, 829599), (30, 553066), (43, 385860), (59, 281220), (60, 276533), (86, 192930), (109, 152220), (118, 140610), (129, 128620), (172, 96465), (177, 93740), (215, 77172), (218, 76110), (236, 70305), (258, 64310), (295, 56244), (327, 50740), (354, 46870), (430, 38586), (436, 38055), (516, 32155), (545, 30444), (590, 28122), (645, 25724), (654, 25370), (708, 23435), (860, 19293), (885, 18748), (1090, 15222), (1180, 14061), (1290, 12862), (1308, 12685), (1635, 10148), (1770, 9374), (2180, 7611), (2537, 6540), (2580, 6431), (3270, 5074), (3540, 4687)]