254388360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25541}}^1$

素因数の和:25638

約数の個数: 64

約数和(自身を含む): 772390080

約数和(自身を除く): 518001720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 9960, 25541, 51082, 76623, 102164, 127705, 153246, 204328, 255410, 306492, 383115, 510820, 612984, 766230, 1021640, 1532460, 2119903, 3064920, 4239806, 6359709, 8479612, 10599515, 12719418, 16959224, 21199030, 25438836, 31798545, 42398060, 50877672, 63597090, 84796120, 127194180, 254388360]

約数ペア:

[(1, 254388360), (2, 127194180), (3, 84796120), (4, 63597090), (5, 50877672), (6, 42398060), (8, 31798545), (10, 25438836), (12, 21199030), (15, 16959224), (20, 12719418), (24, 10599515), (30, 8479612), (40, 6359709), (60, 4239806), (83, 3064920), (120, 2119903), (166, 1532460), (249, 1021640), (332, 766230), (415, 612984), (498, 510820), (664, 383115), (830, 306492), (996, 255410), (1245, 204328), (1660, 153246), (1992, 127705), (2490, 102164), (3320, 76623), (4980, 51082), (9960, 25541)]