145263280

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 346477824

約数和(自身を除く): 201214544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 131, 166, 167, 262, 332, 334, 415, 524, 655, 664, 668, 830, 835, 1048, 1310, 1328, 1336, 1660, 1670, 2096, 2620, 2672, 3320, 3340, 5240, 6640, 6680, 10480, 10873, 13360, 13861, 21746, 21877, 27722, 43492, 43754, 54365, 55444, 69305, 86984, 87508, 108730, 109385, 110888, 138610, 173968, 175016, 217460, 218770, 221776, 277220, 350032, 434920, 437540, 554440, 869840, 875080, 1108880, 1750160, 1815791, 3631582, 7263164, 9078955, 14526328, 18157910, 29052656, 36315820, 72631640, 145263280]

約数ペア:

[(1, 145263280), (2, 72631640), (4, 36315820), (5, 29052656), (8, 18157910), (10, 14526328), (16, 9078955), (20, 7263164), (40, 3631582), (80, 1815791), (83, 1750160), (131, 1108880), (166, 875080), (167, 869840), (262, 554440), (332, 437540), (334, 434920), (415, 350032), (524, 277220), (655, 221776), (664, 218770), (668, 217460), (830, 175016), (835, 173968), (1048, 138610), (1310, 110888), (1328, 109385), (1336, 108730), (1660, 87508), (1670, 86984), (2096, 69305), (2620, 55444), (2672, 54365), (3320, 43754), (3340, 43492), (5240, 27722), (6640, 21877), (6680, 21746), (10480, 13861), (10873, 13360)]