256914360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23021}}^1$

素因数の和:23069

約数の個数: 96

約数和(自身を含む): 861943680

約数和(自身を除く): 605029320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 23021, 46042, 69063, 92084, 115105, 138126, 184168, 207189, 230210, 276252, 345315, 414378, 460420, 552504, 690630, 713651, 828756, 920840, 1035945, 1381260, 1427302, 1657512, 2071890, 2140953, 2762520, 2854604, 3568255, 4143780, 4281906, 5709208, 6422859, 7136510, 8287560, 8563812, 10704765, 12845718, 14273020, 17127624, 21409530, 25691436, 28546040, 32114295, 42819060, 51382872, 64228590, 85638120, 128457180, 256914360]

約数ペア:

[(1, 256914360), (2, 128457180), (3, 85638120), (4, 64228590), (5, 51382872), (6, 42819060), (8, 32114295), (9, 28546040), (10, 25691436), (12, 21409530), (15, 17127624), (18, 14273020), (20, 12845718), (24, 10704765), (30, 8563812), (31, 8287560), (36, 7136510), (40, 6422859), (45, 5709208), (60, 4281906), (62, 4143780), (72, 3568255), (90, 2854604), (93, 2762520), (120, 2140953), (124, 2071890), (155, 1657512), (180, 1427302), (186, 1381260), (248, 1035945), (279, 920840), (310, 828756), (360, 713651), (372, 690630), (465, 552504), (558, 460420), (620, 414378), (744, 345315), (930, 276252), (1116, 230210), (1240, 207189), (1395, 184168), (1860, 138126), (2232, 115105), (2790, 92084), (3720, 69063), (5580, 46042), (11160, 23021)]