28259010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 82978560

約数和(自身を除く): 54719550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 83, 90, 97, 117, 130, 135, 166, 194, 195, 234, 249, 270, 291, 351, 390, 415, 485, 498, 582, 585, 702, 747, 830, 873, 970, 1079, 1170, 1245, 1261, 1455, 1494, 1746, 1755, 2158, 2241, 2490, 2522, 2619, 2910, 3237, 3510, 3735, 3783, 4365, 4482, 5238, 5395, 6305, 6474, 7470, 7566, 8051, 8730, 9711, 10790, 11205, 11349, 12610, 13095, 16102, 16185, 18915, 19422, 22410, 22698, 24153, 26190, 29133, 32370, 34047, 37830, 40255, 48306, 48555, 56745, 58266, 68094, 72459, 80510, 97110, 104663, 113490, 120765, 144918, 145665, 170235, 209326, 217377, 241530, 291330, 313989, 340470, 362295, 434754, 523315, 627978, 724590, 941967, 1046630, 1086885, 1569945, 1883934, 2173770, 2825901, 3139890, 4709835, 5651802, 9419670, 14129505, 28259010]

約数ペア:

[(1, 28259010), (2, 14129505), (3, 9419670), (5, 5651802), (6, 4709835), (9, 3139890), (10, 2825901), (13, 2173770), (15, 1883934), (18, 1569945), (26, 1086885), (27, 1046630), (30, 941967), (39, 724590), (45, 627978), (54, 523315), (65, 434754), (78, 362295), (83, 340470), (90, 313989), (97, 291330), (117, 241530), (130, 217377), (135, 209326), (166, 170235), (194, 145665), (195, 144918), (234, 120765), (249, 113490), (270, 104663), (291, 97110), (351, 80510), (390, 72459), (415, 68094), (485, 58266), (498, 56745), (582, 48555), (585, 48306), (702, 40255), (747, 37830), (830, 34047), (873, 32370), (970, 29133), (1079, 26190), (1170, 24153), (1245, 22698), (1261, 22410), (1455, 19422), (1494, 18915), (1746, 16185), (1755, 16102), (2158, 13095), (2241, 12610), (2490, 11349), (2522, 11205), (2619, 10790), (2910, 9711), (3237, 8730), (3510, 8051), (3735, 7566), (3783, 7470), (4365, 6474), (4482, 6305), (5238, 5395)]