261695220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{13177}}^1$

素因数の和:13520

約数の個数: 48

約数和(自身を含む): 735016128

約数和(自身を除く): 473320908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 3310, 3972, 4965, 6620, 9930, 13177, 19860, 26354, 39531, 52708, 65885, 79062, 131770, 158124, 197655, 263540, 395310, 790620, 4361587, 8723174, 13084761, 17446348, 21807935, 26169522, 43615870, 52339044, 65423805, 87231740, 130847610, 261695220]

約数ペア:

[(1, 261695220), (2, 130847610), (3, 87231740), (4, 65423805), (5, 52339044), (6, 43615870), (10, 26169522), (12, 21807935), (15, 17446348), (20, 13084761), (30, 8723174), (60, 4361587), (331, 790620), (662, 395310), (993, 263540), (1324, 197655), (1655, 158124), (1986, 131770), (3310, 79062), (3972, 65885), (4965, 52708), (6620, 39531), (9930, 26354), (13177, 19860)]