31017280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 112

約数和(自身を含む): 86173056

約数和(自身を除く): 55155776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 227, 244, 280, 305, 320, 427, 448, 454, 488, 560, 610, 854, 908, 976, 1120, 1135, 1220, 1589, 1708, 1816, 1952, 2135, 2240, 2270, 2440, 3178, 3416, 3632, 3904, 4270, 4540, 4880, 6356, 6832, 7264, 7945, 8540, 9080, 9760, 12712, 13664, 13847, 14528, 15890, 17080, 18160, 19520, 25424, 27328, 27694, 31780, 34160, 36320, 50848, 55388, 63560, 68320, 69235, 72640, 96929, 101696, 110776, 127120, 136640, 138470, 193858, 221552, 254240, 276940, 387716, 443104, 484645, 508480, 553880, 775432, 886208, 969290, 1107760, 1550864, 1938580, 2215520, 3101728, 3877160, 4431040, 6203456, 7754320, 15508640, 31017280]

約数ペア:

[(1, 31017280), (2, 15508640), (4, 7754320), (5, 6203456), (7, 4431040), (8, 3877160), (10, 3101728), (14, 2215520), (16, 1938580), (20, 1550864), (28, 1107760), (32, 969290), (35, 886208), (40, 775432), (56, 553880), (61, 508480), (64, 484645), (70, 443104), (80, 387716), (112, 276940), (122, 254240), (140, 221552), (160, 193858), (224, 138470), (227, 136640), (244, 127120), (280, 110776), (305, 101696), (320, 96929), (427, 72640), (448, 69235), (454, 68320), (488, 63560), (560, 55388), (610, 50848), (854, 36320), (908, 34160), (976, 31780), (1120, 27694), (1135, 27328), (1220, 25424), (1589, 19520), (1708, 18160), (1816, 17080), (1952, 15890), (2135, 14528), (2240, 13847), (2270, 13664), (2440, 12712), (3178, 9760), (3416, 9080), (3632, 8540), (3904, 7945), (4270, 7264), (4540, 6832), (4880, 6356)]