30880640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 86512320

約数和(自身を除く): 55631680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 113, 122, 128, 140, 160, 224, 226, 244, 280, 305, 320, 427, 448, 452, 488, 560, 565, 610, 640, 791, 854, 896, 904, 976, 1120, 1130, 1220, 1582, 1708, 1808, 1952, 2135, 2240, 2260, 2440, 3164, 3416, 3616, 3904, 3955, 4270, 4480, 4520, 4880, 6328, 6832, 6893, 7232, 7808, 7910, 8540, 9040, 9760, 12656, 13664, 13786, 14464, 15820, 17080, 18080, 19520, 25312, 27328, 27572, 31640, 34160, 34465, 36160, 39040, 48251, 50624, 54656, 55144, 63280, 68320, 68930, 72320, 96502, 101248, 110288, 126560, 136640, 137860, 193004, 220576, 241255, 253120, 273280, 275720, 386008, 441152, 482510, 506240, 551440, 772016, 882304, 965020, 1102880, 1544032, 1930040, 2205760, 3088064, 3860080, 4411520, 6176128, 7720160, 15440320, 30880640]

約数ペア:

[(1, 30880640), (2, 15440320), (4, 7720160), (5, 6176128), (7, 4411520), (8, 3860080), (10, 3088064), (14, 2205760), (16, 1930040), (20, 1544032), (28, 1102880), (32, 965020), (35, 882304), (40, 772016), (56, 551440), (61, 506240), (64, 482510), (70, 441152), (80, 386008), (112, 275720), (113, 273280), (122, 253120), (128, 241255), (140, 220576), (160, 193004), (224, 137860), (226, 136640), (244, 126560), (280, 110288), (305, 101248), (320, 96502), (427, 72320), (448, 68930), (452, 68320), (488, 63280), (560, 55144), (565, 54656), (610, 50624), (640, 48251), (791, 39040), (854, 36160), (896, 34465), (904, 34160), (976, 31640), (1120, 27572), (1130, 27328), (1220, 25312), (1582, 19520), (1708, 18080), (1808, 17080), (1952, 15820), (2135, 14464), (2240, 13786), (2260, 13664), (2440, 12656), (3164, 9760), (3416, 9040), (3616, 8540), (3904, 7910), (3955, 7808), (4270, 7232), (4480, 6893), (4520, 6832), (4880, 6328)]