12468820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 35417088

約数和(自身を除く): 22948268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 31, 34, 35, 52, 62, 65, 68, 70, 85, 91, 119, 124, 130, 140, 155, 169, 170, 182, 217, 221, 238, 260, 310, 338, 340, 364, 403, 434, 442, 455, 476, 527, 595, 620, 676, 806, 845, 868, 884, 910, 1054, 1085, 1105, 1183, 1190, 1547, 1612, 1690, 1820, 2015, 2108, 2170, 2210, 2366, 2380, 2635, 2821, 2873, 3094, 3380, 3689, 4030, 4340, 4420, 4732, 5239, 5270, 5642, 5746, 5915, 6188, 6851, 7378, 7735, 8060, 10478, 10540, 11284, 11492, 11830, 13702, 14105, 14365, 14756, 15470, 18445, 20111, 20956, 23660, 26195, 27404, 28210, 28730, 30940, 34255, 36673, 36890, 40222, 47957, 52390, 56420, 57460, 68510, 73346, 73780, 80444, 89063, 95914, 100555, 104780, 137020, 146692, 178126, 183365, 191828, 201110, 239785, 356252, 366730, 402220, 445315, 479570, 623441, 733460, 890630, 959140, 1246882, 1781260, 2493764, 3117205, 6234410, 12468820]

約数ペア:

[(1, 12468820), (2, 6234410), (4, 3117205), (5, 2493764), (7, 1781260), (10, 1246882), (13, 959140), (14, 890630), (17, 733460), (20, 623441), (26, 479570), (28, 445315), (31, 402220), (34, 366730), (35, 356252), (52, 239785), (62, 201110), (65, 191828), (68, 183365), (70, 178126), (85, 146692), (91, 137020), (119, 104780), (124, 100555), (130, 95914), (140, 89063), (155, 80444), (169, 73780), (170, 73346), (182, 68510), (217, 57460), (221, 56420), (238, 52390), (260, 47957), (310, 40222), (338, 36890), (340, 36673), (364, 34255), (403, 30940), (434, 28730), (442, 28210), (455, 27404), (476, 26195), (527, 23660), (595, 20956), (620, 20111), (676, 18445), (806, 15470), (845, 14756), (868, 14365), (884, 14105), (910, 13702), (1054, 11830), (1085, 11492), (1105, 11284), (1183, 10540), (1190, 10478), (1547, 8060), (1612, 7735), (1690, 7378), (1820, 6851), (2015, 6188), (2108, 5915), (2170, 5746), (2210, 5642), (2366, 5270), (2380, 5239), (2635, 4732), (2821, 4420), (2873, 4340), (3094, 4030), (3380, 3689)]