164878960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1619}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 409795200

約数和(自身を除く): 244916240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 1072, 1273, 1340, 1520, 1619, 2546, 2680, 3238, 5092, 5360, 6365, 6476, 8095, 10184, 12730, 12952, 16190, 20368, 25460, 25904, 30761, 32380, 50920, 61522, 64760, 101840, 108473, 123044, 129520, 153805, 216946, 246088, 307610, 433892, 492176, 542365, 615220, 867784, 1084730, 1230440, 1735568, 2060987, 2169460, 2460880, 4121974, 4338920, 8243948, 8677840, 10304935, 16487896, 20609870, 32975792, 41219740, 82439480, 164878960]

約数ペア:

[(1, 164878960), (2, 82439480), (4, 41219740), (5, 32975792), (8, 20609870), (10, 16487896), (16, 10304935), (19, 8677840), (20, 8243948), (38, 4338920), (40, 4121974), (67, 2460880), (76, 2169460), (80, 2060987), (95, 1735568), (134, 1230440), (152, 1084730), (190, 867784), (268, 615220), (304, 542365), (335, 492176), (380, 433892), (536, 307610), (670, 246088), (760, 216946), (1072, 153805), (1273, 129520), (1340, 123044), (1520, 108473), (1619, 101840), (2546, 64760), (2680, 61522), (3238, 50920), (5092, 32380), (5360, 30761), (6365, 25904), (6476, 25460), (8095, 20368), (10184, 16190), (12730, 12952)]