320884740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1$

素因数の和:1680

約数の個数: 180

約数和(自身を含む): 1107134028

約数和(自身を除く): 786249288

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 484, 495, 540, 594, 605, 660, 726, 810, 891, 990, 1089, 1188, 1210, 1452, 1485, 1620, 1637, 1782, 1815, 1980, 2178, 2420, 2970, 3267, 3274, 3564, 3630, 4356, 4455, 4911, 5445, 5940, 6534, 6548, 7260, 8185, 8910, 9801, 9822, 10890, 13068, 14733, 16335, 16370, 17820, 18007, 19602, 19644, 21780, 24555, 29466, 32670, 32740, 36014, 39204, 44199, 49005, 49110, 54021, 58932, 65340, 72028, 73665, 88398, 90035, 98010, 98220, 108042, 132597, 147330, 162063, 176796, 180070, 196020, 198077, 216084, 220995, 265194, 270105, 294660, 324126, 360140, 396154, 441990, 486189, 530388, 540210, 594231, 648252, 662985, 792308, 810315, 883980, 972378, 990385, 1080420, 1188462, 1325970, 1458567, 1620630, 1782693, 1944756, 1980770, 2376924, 2430945, 2651940, 2917134, 2971155, 3241260, 3565386, 3961540, 4861890, 5348079, 5834268, 5942310, 7130772, 7292835, 8913465, 9723780, 10696158, 11884620, 14585670, 16044237, 17826930, 21392316, 26740395, 29171340, 32088474, 35653860, 53480790, 64176948, 80221185, 106961580, 160442370, 320884740]

約数ペア:

[(1, 320884740), (2, 160442370), (3, 106961580), (4, 80221185), (5, 64176948), (6, 53480790), (9, 35653860), (10, 32088474), (11, 29171340), (12, 26740395), (15, 21392316), (18, 17826930), (20, 16044237), (22, 14585670), (27, 11884620), (30, 10696158), (33, 9723780), (36, 8913465), (44, 7292835), (45, 7130772), (54, 5942310), (55, 5834268), (60, 5348079), (66, 4861890), (81, 3961540), (90, 3565386), (99, 3241260), (108, 2971155), (110, 2917134), (121, 2651940), (132, 2430945), (135, 2376924), (162, 1980770), (165, 1944756), (180, 1782693), (198, 1620630), (220, 1458567), (242, 1325970), (270, 1188462), (297, 1080420), (324, 990385), (330, 972378), (363, 883980), (396, 810315), (405, 792308), (484, 662985), (495, 648252), (540, 594231), (594, 540210), (605, 530388), (660, 486189), (726, 441990), (810, 396154), (891, 360140), (990, 324126), (1089, 294660), (1188, 270105), (1210, 265194), (1452, 220995), (1485, 216084), (1620, 198077), (1637, 196020), (1782, 180070), (1815, 176796), (1980, 162063), (2178, 147330), (2420, 132597), (2970, 108042), (3267, 98220), (3274, 98010), (3564, 90035), (3630, 88398), (4356, 73665), (4455, 72028), (4911, 65340), (5445, 58932), (5940, 54021), (6534, 49110), (6548, 49005), (7260, 44199), (8185, 39204), (8910, 36014), (9801, 32740), (9822, 32670), (10890, 29466), (13068, 24555), (14733, 21780), (16335, 19644), (16370, 19602), (17820, 18007)]