220121880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4507}}^1$

素因数の和:4569

約数の個数: 128

約数和(自身を含む): 740033280

約数和(自身を除く): 519911400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1480, 1628, 2035, 2220, 2442, 3256, 4070, 4440, 4507, 4884, 6105, 8140, 9014, 9768, 12210, 13521, 16280, 18028, 22535, 24420, 27042, 36056, 45070, 48840, 49577, 54084, 67605, 90140, 99154, 108168, 135210, 148731, 166759, 180280, 198308, 247885, 270420, 297462, 333518, 396616, 495770, 500277, 540840, 594924, 667036, 743655, 833795, 991540, 1000554, 1189848, 1334072, 1487310, 1667590, 1834349, 1983080, 2001108, 2501385, 2974620, 3335180, 3668698, 4002216, 5002770, 5503047, 5949240, 6670360, 7337396, 9171745, 10005540, 11006094, 14674792, 18343490, 20011080, 22012188, 27515235, 36686980, 44024376, 55030470, 73373960, 110060940, 220121880]

約数ペア:

[(1, 220121880), (2, 110060940), (3, 73373960), (4, 55030470), (5, 44024376), (6, 36686980), (8, 27515235), (10, 22012188), (11, 20011080), (12, 18343490), (15, 14674792), (20, 11006094), (22, 10005540), (24, 9171745), (30, 7337396), (33, 6670360), (37, 5949240), (40, 5503047), (44, 5002770), (55, 4002216), (60, 3668698), (66, 3335180), (74, 2974620), (88, 2501385), (110, 2001108), (111, 1983080), (120, 1834349), (132, 1667590), (148, 1487310), (165, 1334072), (185, 1189848), (220, 1000554), (222, 991540), (264, 833795), (296, 743655), (330, 667036), (370, 594924), (407, 540840), (440, 500277), (444, 495770), (555, 396616), (660, 333518), (740, 297462), (814, 270420), (888, 247885), (1110, 198308), (1221, 180280), (1320, 166759), (1480, 148731), (1628, 135210), (2035, 108168), (2220, 99154), (2442, 90140), (3256, 67605), (4070, 54084), (4440, 49577), (4507, 48840), (4884, 45070), (6105, 36056), (8140, 27042), (9014, 24420), (9768, 22535), (12210, 18028), (13521, 16280)]