2790060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 9920736

約数和(自身を除く): 7130676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 73, 78, 84, 91, 98, 105, 130, 140, 146, 147, 156, 182, 195, 196, 210, 219, 245, 260, 273, 292, 294, 364, 365, 390, 420, 438, 455, 490, 511, 546, 588, 637, 730, 735, 780, 876, 910, 949, 980, 1022, 1092, 1095, 1274, 1365, 1460, 1470, 1533, 1820, 1898, 1911, 2044, 2190, 2548, 2555, 2730, 2847, 2940, 3066, 3185, 3577, 3796, 3822, 4380, 4745, 5110, 5460, 5694, 6132, 6370, 6643, 7154, 7644, 7665, 9490, 9555, 10220, 10731, 11388, 12740, 13286, 14235, 14308, 15330, 17885, 18980, 19110, 19929, 21462, 26572, 28470, 30660, 33215, 35770, 38220, 39858, 42924, 46501, 53655, 56940, 66430, 71540, 79716, 93002, 99645, 107310, 132860, 139503, 186004, 199290, 214620, 232505, 279006, 398580, 465010, 558012, 697515, 930020, 1395030, 2790060]

約数ペア:

[(1, 2790060), (2, 1395030), (3, 930020), (4, 697515), (5, 558012), (6, 465010), (7, 398580), (10, 279006), (12, 232505), (13, 214620), (14, 199290), (15, 186004), (20, 139503), (21, 132860), (26, 107310), (28, 99645), (30, 93002), (35, 79716), (39, 71540), (42, 66430), (49, 56940), (52, 53655), (60, 46501), (65, 42924), (70, 39858), (73, 38220), (78, 35770), (84, 33215), (91, 30660), (98, 28470), (105, 26572), (130, 21462), (140, 19929), (146, 19110), (147, 18980), (156, 17885), (182, 15330), (195, 14308), (196, 14235), (210, 13286), (219, 12740), (245, 11388), (260, 10731), (273, 10220), (292, 9555), (294, 9490), (364, 7665), (365, 7644), (390, 7154), (420, 6643), (438, 6370), (455, 6132), (490, 5694), (511, 5460), (546, 5110), (588, 4745), (637, 4380), (730, 3822), (735, 3796), (780, 3577), (876, 3185), (910, 3066), (949, 2940), (980, 2847), (1022, 2730), (1092, 2555), (1095, 2548), (1274, 2190), (1365, 2044), (1460, 1911), (1470, 1898), (1533, 1820)]