278953320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 878688000

約数和(自身を除く): 599734680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 71, 87, 116, 120, 142, 145, 174, 213, 232, 284, 290, 348, 355, 426, 435, 568, 580, 696, 710, 852, 870, 1065, 1129, 1160, 1420, 1704, 1740, 2059, 2130, 2258, 2840, 3387, 3480, 4118, 4260, 4516, 5645, 6177, 6774, 8236, 8520, 9032, 10295, 11290, 12354, 13548, 16472, 16935, 20590, 22580, 24708, 27096, 30885, 32741, 33870, 41180, 45160, 49416, 61770, 65482, 67740, 80159, 82360, 98223, 123540, 130964, 135480, 160318, 163705, 196446, 240477, 247080, 261928, 320636, 327410, 392892, 400795, 480954, 491115, 641272, 654820, 785784, 801590, 961908, 982230, 1202385, 1309640, 1603180, 1923816, 1964460, 2324611, 2404770, 3206360, 3928920, 4649222, 4809540, 6973833, 9298444, 9619080, 11623055, 13947666, 18596888, 23246110, 27895332, 34869165, 46492220, 55790664, 69738330, 92984440, 139476660, 278953320]

約数ペア:

[(1, 278953320), (2, 139476660), (3, 92984440), (4, 69738330), (5, 55790664), (6, 46492220), (8, 34869165), (10, 27895332), (12, 23246110), (15, 18596888), (20, 13947666), (24, 11623055), (29, 9619080), (30, 9298444), (40, 6973833), (58, 4809540), (60, 4649222), (71, 3928920), (87, 3206360), (116, 2404770), (120, 2324611), (142, 1964460), (145, 1923816), (174, 1603180), (213, 1309640), (232, 1202385), (284, 982230), (290, 961908), (348, 801590), (355, 785784), (426, 654820), (435, 641272), (568, 491115), (580, 480954), (696, 400795), (710, 392892), (852, 327410), (870, 320636), (1065, 261928), (1129, 247080), (1160, 240477), (1420, 196446), (1704, 163705), (1740, 160318), (2059, 135480), (2130, 130964), (2258, 123540), (2840, 98223), (3387, 82360), (3480, 80159), (4118, 67740), (4260, 65482), (4516, 61770), (5645, 49416), (6177, 45160), (6774, 41180), (8236, 33870), (8520, 32741), (9032, 30885), (10295, 27096), (11290, 24708), (12354, 22580), (13548, 20590), (16472, 16935)]