81862380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151597}}^1$

素因数の和:151615

約数の個数: 48

約数和(自身を含む): 254684640

約数和(自身を除く): 172822260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151597, 303194, 454791, 606388, 757985, 909582, 1364373, 1515970, 1819164, 2273955, 2728746, 3031940, 4093119, 4547910, 5457492, 6821865, 8186238, 9095820, 13643730, 16372476, 20465595, 27287460, 40931190, 81862380]

約数ペア:

[(1, 81862380), (2, 40931190), (3, 27287460), (4, 20465595), (5, 16372476), (6, 13643730), (9, 9095820), (10, 8186238), (12, 6821865), (15, 5457492), (18, 4547910), (20, 4093119), (27, 3031940), (30, 2728746), (36, 2273955), (45, 1819164), (54, 1515970), (60, 1364373), (90, 909582), (108, 757985), (135, 606388), (180, 454791), (270, 303194), (540, 151597)]