28319940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14303}}^1$

素因数の和:14329

約数の個数: 72

約数和(自身を含む): 93719808

約数和(自身を除く): 65399868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 14303, 28606, 42909, 57212, 71515, 85818, 128727, 143030, 157333, 171636, 214545, 257454, 286060, 314666, 429090, 471999, 514908, 629332, 643635, 786665, 858180, 943998, 1287270, 1415997, 1573330, 1887996, 2359995, 2574540, 2831994, 3146660, 4719990, 5663988, 7079985, 9439980, 14159970, 28319940]

約数ペア:

[(1, 28319940), (2, 14159970), (3, 9439980), (4, 7079985), (5, 5663988), (6, 4719990), (9, 3146660), (10, 2831994), (11, 2574540), (12, 2359995), (15, 1887996), (18, 1573330), (20, 1415997), (22, 1287270), (30, 943998), (33, 858180), (36, 786665), (44, 643635), (45, 629332), (55, 514908), (60, 471999), (66, 429090), (90, 314666), (99, 286060), (110, 257454), (132, 214545), (165, 171636), (180, 157333), (198, 143030), (220, 128727), (330, 85818), (396, 71515), (495, 57212), (660, 42909), (990, 28606), (1980, 14303)]