2028778880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:692

約数の個数: 128

約数和(自身を含む): 5037984000

約数和(自身を除く): 3009205120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 293, 310, 320, 349, 496, 586, 620, 640, 698, 992, 1172, 1240, 1396, 1465, 1745, 1984, 2344, 2480, 2792, 2930, 3490, 3968, 4688, 4960, 5584, 5860, 6980, 9083, 9376, 9920, 10819, 11168, 11720, 13960, 18166, 18752, 19840, 21638, 22336, 23440, 27920, 36332, 37504, 43276, 44672, 45415, 46880, 54095, 55840, 72664, 86552, 90830, 93760, 102257, 108190, 111680, 145328, 173104, 181660, 187520, 204514, 216380, 223360, 290656, 346208, 363320, 409028, 432760, 511285, 581312, 692416, 726640, 818056, 865520, 1022570, 1162624, 1384832, 1453280, 1636112, 1731040, 2045140, 2906560, 3169967, 3272224, 3462080, 4090280, 5813120, 6339934, 6544448, 6924160, 8180560, 12679868, 13088896, 15849835, 16361120, 25359736, 31699670, 32722240, 50719472, 63399340, 65444480, 101438944, 126798680, 202877888, 253597360, 405755776, 507194720, 1014389440, 2028778880]

約数ペア:

[(1, 2028778880), (2, 1014389440), (4, 507194720), (5, 405755776), (8, 253597360), (10, 202877888), (16, 126798680), (20, 101438944), (31, 65444480), (32, 63399340), (40, 50719472), (62, 32722240), (64, 31699670), (80, 25359736), (124, 16361120), (128, 15849835), (155, 13088896), (160, 12679868), (248, 8180560), (293, 6924160), (310, 6544448), (320, 6339934), (349, 5813120), (496, 4090280), (586, 3462080), (620, 3272224), (640, 3169967), (698, 2906560), (992, 2045140), (1172, 1731040), (1240, 1636112), (1396, 1453280), (1465, 1384832), (1745, 1162624), (1984, 1022570), (2344, 865520), (2480, 818056), (2792, 726640), (2930, 692416), (3490, 581312), (3968, 511285), (4688, 432760), (4960, 409028), (5584, 363320), (5860, 346208), (6980, 290656), (9083, 223360), (9376, 216380), (9920, 204514), (10819, 187520), (11168, 181660), (11720, 173104), (13960, 145328), (18166, 111680), (18752, 108190), (19840, 102257), (21638, 93760), (22336, 90830), (23440, 86552), (27920, 72664), (36332, 55840), (37504, 54095), (43276, 46880), (44672, 45415)]