81991350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{26029}}^1$

素因数の和:26054

約数の個数: 72

約数和(自身を含む): 251762160

約数和(自身を除く): 169770810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 26029, 52058, 78087, 130145, 156174, 182203, 234261, 260290, 364406, 390435, 468522, 546609, 650725, 780870, 911015, 1093218, 1171305, 1301450, 1639827, 1822030, 1952175, 2342610, 2733045, 3279654, 3904350, 4555075, 5466090, 5856525, 8199135, 9110150, 11713050, 13665225, 16398270, 27330450, 40995675, 81991350]

約数ペア:

[(1, 81991350), (2, 40995675), (3, 27330450), (5, 16398270), (6, 13665225), (7, 11713050), (9, 9110150), (10, 8199135), (14, 5856525), (15, 5466090), (18, 4555075), (21, 3904350), (25, 3279654), (30, 2733045), (35, 2342610), (42, 1952175), (45, 1822030), (50, 1639827), (63, 1301450), (70, 1171305), (75, 1093218), (90, 911015), (105, 780870), (126, 650725), (150, 546609), (175, 468522), (210, 390435), (225, 364406), (315, 260290), (350, 234261), (450, 182203), (525, 156174), (630, 130145), (1050, 78087), (1575, 52058), (3150, 26029)]