261575190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1231}}^1$

素因数の和:2034

約数の個数: 64

約数和(自身を含む): 698987520

約数和(自身を除く): 437412330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 787, 1231, 1574, 2361, 2462, 3693, 3935, 4722, 6155, 7083, 7386, 7870, 11079, 11805, 12310, 14166, 18465, 21249, 22158, 23610, 33237, 35415, 36930, 42498, 55395, 66474, 70830, 106245, 110790, 166185, 212490, 332370, 968797, 1937594, 2906391, 4843985, 5812782, 8719173, 9687970, 14531955, 17438346, 26157519, 29063910, 43595865, 52315038, 87191730, 130787595, 261575190]

約数ペア:

[(1, 261575190), (2, 130787595), (3, 87191730), (5, 52315038), (6, 43595865), (9, 29063910), (10, 26157519), (15, 17438346), (18, 14531955), (27, 9687970), (30, 8719173), (45, 5812782), (54, 4843985), (90, 2906391), (135, 1937594), (270, 968797), (787, 332370), (1231, 212490), (1574, 166185), (2361, 110790), (2462, 106245), (3693, 70830), (3935, 66474), (4722, 55395), (6155, 42498), (7083, 36930), (7386, 35415), (7870, 33237), (11079, 23610), (11805, 22158), (12310, 21249), (14166, 18465)]