66806960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{853}}^1$

素因数の和:966

約数の個数: 80

約数和(自身を含む): 171551520

約数和(自身を除く): 104744560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 853, 880, 890, 979, 1424, 1706, 1780, 1958, 3412, 3560, 3916, 4265, 4895, 6824, 7120, 7832, 8530, 9383, 9790, 13648, 15664, 17060, 18766, 19580, 34120, 37532, 39160, 46915, 68240, 75064, 75917, 78320, 93830, 150128, 151834, 187660, 303668, 375320, 379585, 607336, 750640, 759170, 835087, 1214672, 1518340, 1670174, 3036680, 3340348, 4175435, 6073360, 6680696, 8350870, 13361392, 16701740, 33403480, 66806960]

約数ペア:

[(1, 66806960), (2, 33403480), (4, 16701740), (5, 13361392), (8, 8350870), (10, 6680696), (11, 6073360), (16, 4175435), (20, 3340348), (22, 3036680), (40, 1670174), (44, 1518340), (55, 1214672), (80, 835087), (88, 759170), (89, 750640), (110, 607336), (176, 379585), (178, 375320), (220, 303668), (356, 187660), (440, 151834), (445, 150128), (712, 93830), (853, 78320), (880, 75917), (890, 75064), (979, 68240), (1424, 46915), (1706, 39160), (1780, 37532), (1958, 34120), (3412, 19580), (3560, 18766), (3916, 17060), (4265, 15664), (4895, 13648), (6824, 9790), (7120, 9383), (7832, 8530)]