31224960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 119952000

約数和(自身を除く): 88727040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 139, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 278, 288, 312, 320, 351, 360, 384, 390, 416, 417, 432, 468, 480, 520, 540, 556, 576, 585, 624, 640, 695, 702, 720, 780, 832, 834, 864, 936, 960, 1040, 1080, 1112, 1152, 1170, 1248, 1251, 1390, 1404, 1440, 1560, 1664, 1668, 1728, 1755, 1807, 1872, 1920, 2080, 2085, 2160, 2224, 2340, 2496, 2502, 2780, 2808, 2880, 3120, 3336, 3456, 3510, 3614, 3744, 3753, 4160, 4170, 4320, 4448, 4680, 4992, 5004, 5421, 5560, 5616, 5760, 6240, 6255, 6672, 7020, 7228, 7488, 7506, 8320, 8340, 8640, 8896, 9035, 9360, 10008, 10842, 11120, 11232, 12480, 12510, 13344, 14040, 14456, 14976, 15012, 16263, 16680, 17280, 17792, 18070, 18720, 18765, 20016, 21684, 22240, 22464, 24960, 25020, 26688, 27105, 28080, 28912, 30024, 32526, 33360, 36140, 37440, 37530, 40032, 43368, 44480, 44928, 48789, 50040, 53376, 54210, 56160, 57824, 60048, 65052, 66720, 72280, 74880, 75060, 80064, 81315, 86736, 88960, 97578, 100080, 108420, 112320, 115648, 120096, 130104, 133440, 144560, 150120, 160128, 162630, 173472, 195156, 200160, 216840, 224640, 231296, 240192, 243945, 260208, 266880, 289120, 300240, 325260, 346944, 390312, 400320, 433680, 480384, 487890, 520416, 578240, 600480, 650520, 693888, 780624, 800640, 867360, 975780, 1040832, 1156480, 1200960, 1301040, 1561248, 1734720, 1951560, 2081664, 2401920, 2602080, 3122496, 3469440, 3903120, 5204160, 6244992, 7806240, 10408320, 15612480, 31224960]

約数ペア:

[(1, 31224960), (2, 15612480), (3, 10408320), (4, 7806240), (5, 6244992), (6, 5204160), (8, 3903120), (9, 3469440), (10, 3122496), (12, 2602080), (13, 2401920), (15, 2081664), (16, 1951560), (18, 1734720), (20, 1561248), (24, 1301040), (26, 1200960), (27, 1156480), (30, 1040832), (32, 975780), (36, 867360), (39, 800640), (40, 780624), (45, 693888), (48, 650520), (52, 600480), (54, 578240), (60, 520416), (64, 487890), (65, 480384), (72, 433680), (78, 400320), (80, 390312), (90, 346944), (96, 325260), (104, 300240), (108, 289120), (117, 266880), (120, 260208), (128, 243945), (130, 240192), (135, 231296), (139, 224640), (144, 216840), (156, 200160), (160, 195156), (180, 173472), (192, 162630), (195, 160128), (208, 150120), (216, 144560), (234, 133440), (240, 130104), (260, 120096), (270, 115648), (278, 112320), (288, 108420), (312, 100080), (320, 97578), (351, 88960), (360, 86736), (384, 81315), (390, 80064), (416, 75060), (417, 74880), (432, 72280), (468, 66720), (480, 65052), (520, 60048), (540, 57824), (556, 56160), (576, 54210), (585, 53376), (624, 50040), (640, 48789), (695, 44928), (702, 44480), (720, 43368), (780, 40032), (832, 37530), (834, 37440), (864, 36140), (936, 33360), (960, 32526), (1040, 30024), (1080, 28912), (1112, 28080), (1152, 27105), (1170, 26688), (1248, 25020), (1251, 24960), (1390, 22464), (1404, 22240), (1440, 21684), (1560, 20016), (1664, 18765), (1668, 18720), (1728, 18070), (1755, 17792), (1807, 17280), (1872, 16680), (1920, 16263), (2080, 15012), (2085, 14976), (2160, 14456), (2224, 14040), (2340, 13344), (2496, 12510), (2502, 12480), (2780, 11232), (2808, 11120), (2880, 10842), (3120, 10008), (3336, 9360), (3456, 9035), (3510, 8896), (3614, 8640), (3744, 8340), (3753, 8320), (4160, 7506), (4170, 7488), (4320, 7228), (4448, 7020), (4680, 6672), (4992, 6255), (5004, 6240), (5421, 5760), (5560, 5616)]