28884780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6977}}^1$

素因数の和:7015

約数の個数: 72

約数和(自身を含む): 91439712

約数和(自身を除く): 62554932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6977, 13954, 20931, 27908, 34885, 41862, 62793, 69770, 83724, 104655, 125586, 139540, 160471, 209310, 251172, 313965, 320942, 418620, 481413, 627930, 641884, 802355, 962826, 1255860, 1444239, 1604710, 1925652, 2407065, 2888478, 3209420, 4814130, 5776956, 7221195, 9628260, 14442390, 28884780]

約数ペア:

[(1, 28884780), (2, 14442390), (3, 9628260), (4, 7221195), (5, 5776956), (6, 4814130), (9, 3209420), (10, 2888478), (12, 2407065), (15, 1925652), (18, 1604710), (20, 1444239), (23, 1255860), (30, 962826), (36, 802355), (45, 641884), (46, 627930), (60, 481413), (69, 418620), (90, 320942), (92, 313965), (115, 251172), (138, 209310), (180, 160471), (207, 139540), (230, 125586), (276, 104655), (345, 83724), (414, 69770), (460, 62793), (690, 41862), (828, 34885), (1035, 27908), (1380, 20931), (2070, 13954), (4140, 6977)]