1293294640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1483}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 3285789696

約数和(自身を除く): 1992495056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 991, 1483, 1982, 2966, 3964, 4955, 5932, 7415, 7928, 9910, 10901, 11864, 14830, 15856, 16313, 19820, 21802, 23728, 29660, 32626, 39640, 43604, 54505, 59320, 65252, 79280, 81565, 87208, 109010, 118640, 130504, 163130, 174416, 218020, 261008, 326260, 436040, 652520, 872080, 1305040, 1469653, 2939306, 5878612, 7348265, 11757224, 14696530, 16166183, 23514448, 29393060, 32332366, 58786120, 64664732, 80830915, 117572240, 129329464, 161661830, 258658928, 323323660, 646647320, 1293294640]

約数ペア:

[(1, 1293294640), (2, 646647320), (4, 323323660), (5, 258658928), (8, 161661830), (10, 129329464), (11, 117572240), (16, 80830915), (20, 64664732), (22, 58786120), (40, 32332366), (44, 29393060), (55, 23514448), (80, 16166183), (88, 14696530), (110, 11757224), (176, 7348265), (220, 5878612), (440, 2939306), (880, 1469653), (991, 1305040), (1483, 872080), (1982, 652520), (2966, 436040), (3964, 326260), (4955, 261008), (5932, 218020), (7415, 174416), (7928, 163130), (9910, 130504), (10901, 118640), (11864, 109010), (14830, 87208), (15856, 81565), (16313, 79280), (19820, 65252), (21802, 59320), (23728, 54505), (29660, 43604), (32626, 39640)]