491559040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1110

約数の個数: 128

約数和(自身を含む): 1356289920

約数和(自身を除く): 864730880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 128, 140, 160, 224, 226, 280, 320, 448, 452, 560, 565, 640, 791, 896, 904, 971, 1120, 1130, 1582, 1808, 1942, 2240, 2260, 3164, 3616, 3884, 3955, 4480, 4520, 4855, 6328, 6797, 7232, 7768, 7910, 9040, 9710, 12656, 13594, 14464, 15536, 15820, 18080, 19420, 25312, 27188, 31072, 31640, 33985, 36160, 38840, 50624, 54376, 62144, 63280, 67970, 72320, 77680, 101248, 108752, 109723, 124288, 126560, 135940, 155360, 217504, 219446, 253120, 271880, 310720, 435008, 438892, 506240, 543760, 548615, 621440, 768061, 870016, 877784, 1087520, 1097230, 1536122, 1755568, 2175040, 2194460, 3072244, 3511136, 3840305, 4350080, 4388920, 6144488, 7022272, 7680610, 8777840, 12288976, 14044544, 15361220, 17555680, 24577952, 30722440, 35111360, 49155904, 61444880, 70222720, 98311808, 122889760, 245779520, 491559040]

約数ペア:

[(1, 491559040), (2, 245779520), (4, 122889760), (5, 98311808), (7, 70222720), (8, 61444880), (10, 49155904), (14, 35111360), (16, 30722440), (20, 24577952), (28, 17555680), (32, 15361220), (35, 14044544), (40, 12288976), (56, 8777840), (64, 7680610), (70, 7022272), (80, 6144488), (112, 4388920), (113, 4350080), (128, 3840305), (140, 3511136), (160, 3072244), (224, 2194460), (226, 2175040), (280, 1755568), (320, 1536122), (448, 1097230), (452, 1087520), (560, 877784), (565, 870016), (640, 768061), (791, 621440), (896, 548615), (904, 543760), (971, 506240), (1120, 438892), (1130, 435008), (1582, 310720), (1808, 271880), (1942, 253120), (2240, 219446), (2260, 217504), (3164, 155360), (3616, 135940), (3884, 126560), (3955, 124288), (4480, 109723), (4520, 108752), (4855, 101248), (6328, 77680), (6797, 72320), (7232, 67970), (7768, 63280), (7910, 62144), (9040, 54376), (9710, 50624), (12656, 38840), (13594, 36160), (14464, 33985), (15536, 31640), (15820, 31072), (18080, 27188), (19420, 25312)]