28112940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:756

約数の個数: 96

約数和(自身を含む): 88704000

約数和(自身を除く): 60591060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 474, 540, 659, 711, 790, 948, 1185, 1318, 1422, 1580, 1977, 2133, 2370, 2636, 2844, 3295, 3555, 3954, 4266, 4740, 5931, 6590, 7110, 7908, 8532, 9885, 10665, 11862, 13180, 14220, 17793, 19770, 21330, 23724, 29655, 35586, 39540, 42660, 52061, 59310, 71172, 88965, 104122, 118620, 156183, 177930, 208244, 260305, 312366, 355860, 468549, 520610, 624732, 780915, 937098, 1041220, 1405647, 1561830, 1874196, 2342745, 2811294, 3123660, 4685490, 5622588, 7028235, 9370980, 14056470, 28112940]

約数ペア:

[(1, 28112940), (2, 14056470), (3, 9370980), (4, 7028235), (5, 5622588), (6, 4685490), (9, 3123660), (10, 2811294), (12, 2342745), (15, 1874196), (18, 1561830), (20, 1405647), (27, 1041220), (30, 937098), (36, 780915), (45, 624732), (54, 520610), (60, 468549), (79, 355860), (90, 312366), (108, 260305), (135, 208244), (158, 177930), (180, 156183), (237, 118620), (270, 104122), (316, 88965), (395, 71172), (474, 59310), (540, 52061), (659, 42660), (711, 39540), (790, 35586), (948, 29655), (1185, 23724), (1318, 21330), (1422, 19770), (1580, 17793), (1977, 14220), (2133, 13180), (2370, 11862), (2636, 10665), (2844, 9885), (3295, 8532), (3555, 7908), (3954, 7110), (4266, 6590), (4740, 5931)]