180335980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1733}}^1$

素因数の和:1807

約数の個数: 72

約数和(自身を含む): 426189456

約数和(自身を除く): 245853476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1733, 1892, 2365, 2420, 3466, 4730, 5203, 6932, 8665, 9460, 10406, 17330, 19063, 20812, 26015, 34660, 38126, 52030, 74519, 76252, 95315, 104060, 149038, 190630, 209693, 298076, 372595, 381260, 419386, 745190, 819709, 838772, 1048465, 1490380, 1639418, 2096930, 3278836, 4098545, 4193860, 8197090, 9016799, 16394180, 18033598, 36067196, 45083995, 90167990, 180335980]

約数ペア:

[(1, 180335980), (2, 90167990), (4, 45083995), (5, 36067196), (10, 18033598), (11, 16394180), (20, 9016799), (22, 8197090), (43, 4193860), (44, 4098545), (55, 3278836), (86, 2096930), (110, 1639418), (121, 1490380), (172, 1048465), (215, 838772), (220, 819709), (242, 745190), (430, 419386), (473, 381260), (484, 372595), (605, 298076), (860, 209693), (946, 190630), (1210, 149038), (1733, 104060), (1892, 95315), (2365, 76252), (2420, 74519), (3466, 52030), (4730, 38126), (5203, 34660), (6932, 26015), (8665, 20812), (9460, 19063), (10406, 17330)]