66852180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5231}}^1$

素因数の和:5317

約数の個数: 72

約数和(自身を含む): 205680384

約数和(自身を除く): 138828204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5231, 6390, 10462, 12780, 15693, 20924, 26155, 31386, 47079, 52310, 62772, 78465, 94158, 104620, 156930, 188316, 235395, 313860, 371401, 470790, 742802, 941580, 1114203, 1485604, 1857005, 2228406, 3342609, 3714010, 4456812, 5571015, 6685218, 7428020, 11142030, 13370436, 16713045, 22284060, 33426090, 66852180]

約数ペア:

[(1, 66852180), (2, 33426090), (3, 22284060), (4, 16713045), (5, 13370436), (6, 11142030), (9, 7428020), (10, 6685218), (12, 5571015), (15, 4456812), (18, 3714010), (20, 3342609), (30, 2228406), (36, 1857005), (45, 1485604), (60, 1114203), (71, 941580), (90, 742802), (142, 470790), (180, 371401), (213, 313860), (284, 235395), (355, 188316), (426, 156930), (639, 104620), (710, 94158), (852, 78465), (1065, 62772), (1278, 52310), (1420, 47079), (2130, 31386), (2556, 26155), (3195, 20924), (4260, 15693), (5231, 12780), (6390, 10462)]