81287700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1146

約数の個数: 144

約数和(自身を含む): 266857920

約数和(自身を除く): 185570220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 390, 475, 494, 570, 650, 741, 780, 950, 975, 988, 1097, 1140, 1235, 1300, 1425, 1482, 1900, 1950, 2194, 2470, 2850, 2964, 3291, 3705, 3900, 4388, 4940, 5485, 5700, 6175, 6582, 7410, 10970, 12350, 13164, 14261, 14820, 16455, 18525, 20843, 21940, 24700, 27425, 28522, 32910, 37050, 41686, 42783, 54850, 57044, 62529, 65820, 71305, 74100, 82275, 83372, 85566, 104215, 109700, 125058, 142610, 164550, 171132, 208430, 213915, 250116, 270959, 285220, 312645, 329100, 356525, 416860, 427830, 521075, 541918, 625290, 713050, 812877, 855660, 1042150, 1069575, 1083836, 1250580, 1354795, 1426100, 1563225, 1625754, 2084300, 2139150, 2709590, 3126450, 3251508, 4064385, 4278300, 5419180, 6252900, 6773975, 8128770, 13547950, 16257540, 20321925, 27095900, 40643850, 81287700]

約数ペア:

[(1, 81287700), (2, 40643850), (3, 27095900), (4, 20321925), (5, 16257540), (6, 13547950), (10, 8128770), (12, 6773975), (13, 6252900), (15, 5419180), (19, 4278300), (20, 4064385), (25, 3251508), (26, 3126450), (30, 2709590), (38, 2139150), (39, 2084300), (50, 1625754), (52, 1563225), (57, 1426100), (60, 1354795), (65, 1250580), (75, 1083836), (76, 1069575), (78, 1042150), (95, 855660), (100, 812877), (114, 713050), (130, 625290), (150, 541918), (156, 521075), (190, 427830), (195, 416860), (228, 356525), (247, 329100), (260, 312645), (285, 285220), (300, 270959), (325, 250116), (380, 213915), (390, 208430), (475, 171132), (494, 164550), (570, 142610), (650, 125058), (741, 109700), (780, 104215), (950, 85566), (975, 83372), (988, 82275), (1097, 74100), (1140, 71305), (1235, 65820), (1300, 62529), (1425, 57044), (1482, 54850), (1900, 42783), (1950, 41686), (2194, 37050), (2470, 32910), (2850, 28522), (2964, 27425), (3291, 24700), (3705, 21940), (3900, 20843), (4388, 18525), (4940, 16455), (5485, 14820), (5700, 14261), (6175, 13164), (6582, 12350), (7410, 10970)]