55880220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 176964480

約数和(自身を除く): 121084260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 179, 215, 220, 242, 258, 330, 358, 363, 430, 473, 484, 516, 537, 605, 645, 660, 716, 726, 860, 895, 946, 1074, 1210, 1290, 1419, 1452, 1790, 1815, 1892, 1969, 2148, 2365, 2420, 2580, 2685, 2838, 3580, 3630, 3938, 4730, 5203, 5370, 5676, 5907, 7095, 7260, 7697, 7876, 9460, 9845, 10406, 10740, 11814, 14190, 15394, 15609, 19690, 20812, 21659, 23091, 23628, 26015, 28380, 29535, 30788, 31218, 38485, 39380, 43318, 46182, 52030, 59070, 62436, 64977, 76970, 78045, 84667, 86636, 92364, 104060, 108295, 115455, 118140, 129954, 153940, 156090, 169334, 216590, 230910, 254001, 259908, 312180, 324885, 338668, 423335, 433180, 461820, 508002, 649770, 846670, 931337, 1016004, 1270005, 1299540, 1693340, 1862674, 2540010, 2794011, 3725348, 4656685, 5080020, 5588022, 9313370, 11176044, 13970055, 18626740, 27940110, 55880220]

約数ペア:

[(1, 55880220), (2, 27940110), (3, 18626740), (4, 13970055), (5, 11176044), (6, 9313370), (10, 5588022), (11, 5080020), (12, 4656685), (15, 3725348), (20, 2794011), (22, 2540010), (30, 1862674), (33, 1693340), (43, 1299540), (44, 1270005), (55, 1016004), (60, 931337), (66, 846670), (86, 649770), (110, 508002), (121, 461820), (129, 433180), (132, 423335), (165, 338668), (172, 324885), (179, 312180), (215, 259908), (220, 254001), (242, 230910), (258, 216590), (330, 169334), (358, 156090), (363, 153940), (430, 129954), (473, 118140), (484, 115455), (516, 108295), (537, 104060), (605, 92364), (645, 86636), (660, 84667), (716, 78045), (726, 76970), (860, 64977), (895, 62436), (946, 59070), (1074, 52030), (1210, 46182), (1290, 43318), (1419, 39380), (1452, 38485), (1790, 31218), (1815, 30788), (1892, 29535), (1969, 28380), (2148, 26015), (2365, 23628), (2420, 23091), (2580, 21659), (2685, 20812), (2838, 19690), (3580, 15609), (3630, 15394), (3938, 14190), (4730, 11814), (5203, 10740), (5370, 10406), (5676, 9845), (5907, 9460), (7095, 7876), (7260, 7697)]