51920820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 182407680

約数和(自身を除く): 130486860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 463, 534, 623, 630, 801, 890, 926, 1068, 1246, 1260, 1335, 1389, 1602, 1780, 1852, 1869, 2315, 2492, 2670, 2778, 3115, 3204, 3241, 3738, 4005, 4167, 4630, 5340, 5556, 5607, 6230, 6482, 6945, 7476, 8010, 8334, 9260, 9345, 9723, 11214, 12460, 12964, 13890, 16020, 16205, 16668, 18690, 19446, 20835, 22428, 27780, 28035, 29169, 32410, 37380, 38892, 41207, 41670, 48615, 56070, 58338, 64820, 82414, 83340, 97230, 112140, 116676, 123621, 145845, 164828, 194460, 206035, 247242, 288449, 291690, 370863, 412070, 494484, 576898, 583380, 618105, 741726, 824140, 865347, 1153796, 1236210, 1442245, 1483452, 1730694, 1854315, 2472420, 2596041, 2884490, 3461388, 3708630, 4326735, 5192082, 5768980, 7417260, 8653470, 10384164, 12980205, 17306940, 25960410, 51920820]

約数ペア:

[(1, 51920820), (2, 25960410), (3, 17306940), (4, 12980205), (5, 10384164), (6, 8653470), (7, 7417260), (9, 5768980), (10, 5192082), (12, 4326735), (14, 3708630), (15, 3461388), (18, 2884490), (20, 2596041), (21, 2472420), (28, 1854315), (30, 1730694), (35, 1483452), (36, 1442245), (42, 1236210), (45, 1153796), (60, 865347), (63, 824140), (70, 741726), (84, 618105), (89, 583380), (90, 576898), (105, 494484), (126, 412070), (140, 370863), (178, 291690), (180, 288449), (210, 247242), (252, 206035), (267, 194460), (315, 164828), (356, 145845), (420, 123621), (445, 116676), (463, 112140), (534, 97230), (623, 83340), (630, 82414), (801, 64820), (890, 58338), (926, 56070), (1068, 48615), (1246, 41670), (1260, 41207), (1335, 38892), (1389, 37380), (1602, 32410), (1780, 29169), (1852, 28035), (1869, 27780), (2315, 22428), (2492, 20835), (2670, 19446), (2778, 18690), (3115, 16668), (3204, 16205), (3241, 16020), (3738, 13890), (4005, 12964), (4167, 12460), (4630, 11214), (5340, 9723), (5556, 9345), (5607, 9260), (6230, 8334), (6482, 8010), (6945, 7476)]