12785220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 45252480

約数和(自身を除く): 32467260

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, 73, 84, 90, 105, 126, 139, 140, 146, 180, 210, 219, 252, 278, 292, 315, 365, 417, 420, 438, 511, 556, 630, 657, 695, 730, 834, 876, 973, 1022, 1095, 1251, 1260, 1314, 1390, 1460, 1533, 1668, 1946, 2044, 2085, 2190, 2502, 2555, 2628, 2780, 2919, 3066, 3285, 3892, 4170, 4380, 4599, 4865, 5004, 5110, 5838, 6132, 6255, 6570, 7665, 8340, 8757, 9198, 9730, 10147, 10220, 11676, 12510, 13140, 14595, 15330, 17514, 18396, 19460, 20294, 22995, 25020, 29190, 30441, 30660, 35028, 40588, 43785, 45990, 50735, 58380, 60882, 71029, 87570, 91323, 91980, 101470, 121764, 142058, 152205, 175140, 182646, 202940, 213087, 284116, 304410, 355145, 365292, 426174, 456615, 608820, 639261, 710290, 852348, 913230, 1065435, 1278522, 1420580, 1826460, 2130870, 2557044, 3196305, 4261740, 6392610, 12785220]

約数ペア:

[(1, 12785220), (2, 6392610), (3, 4261740), (4, 3196305), (5, 2557044), (6, 2130870), (7, 1826460), (9, 1420580), (10, 1278522), (12, 1065435), (14, 913230), (15, 852348), (18, 710290), (20, 639261), (21, 608820), (28, 456615), (30, 426174), (35, 365292), (36, 355145), (42, 304410), (45, 284116), (60, 213087), (63, 202940), (70, 182646), (73, 175140), (84, 152205), (90, 142058), (105, 121764), (126, 101470), (139, 91980), (140, 91323), (146, 87570), (180, 71029), (210, 60882), (219, 58380), (252, 50735), (278, 45990), (292, 43785), (315, 40588), (365, 35028), (417, 30660), (420, 30441), (438, 29190), (511, 25020), (556, 22995), (630, 20294), (657, 19460), (695, 18396), (730, 17514), (834, 15330), (876, 14595), (973, 13140), (1022, 12510), (1095, 11676), (1251, 10220), (1260, 10147), (1314, 9730), (1390, 9198), (1460, 8757), (1533, 8340), (1668, 7665), (1946, 6570), (2044, 6255), (2085, 6132), (2190, 5838), (2502, 5110), (2555, 5004), (2628, 4865), (2780, 4599), (2919, 4380), (3066, 4170), (3285, 3892)]