204811020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1249}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 622440000

約数和(自身を除く): 417628980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 911, 1249, 1822, 2498, 2733, 3644, 3747, 4555, 4996, 5466, 6245, 7494, 8199, 9110, 10932, 11241, 12490, 13665, 14988, 16398, 18220, 18735, 22482, 24980, 27330, 32796, 37470, 40995, 44964, 54660, 56205, 74940, 81990, 112410, 163980, 224820, 1137839, 2275678, 3413517, 4551356, 5689195, 6827034, 10240551, 11378390, 13654068, 17067585, 20481102, 22756780, 34135170, 40962204, 51202755, 68270340, 102405510, 204811020]

約数ペア:

[(1, 204811020), (2, 102405510), (3, 68270340), (4, 51202755), (5, 40962204), (6, 34135170), (9, 22756780), (10, 20481102), (12, 17067585), (15, 13654068), (18, 11378390), (20, 10240551), (30, 6827034), (36, 5689195), (45, 4551356), (60, 3413517), (90, 2275678), (180, 1137839), (911, 224820), (1249, 163980), (1822, 112410), (2498, 81990), (2733, 74940), (3644, 56205), (3747, 54660), (4555, 44964), (4996, 40995), (5466, 37470), (6245, 32796), (7494, 27330), (8199, 24980), (9110, 22482), (10932, 18735), (11241, 18220), (12490, 16398), (13665, 14988)]