1789943580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{5231}}^1$

素因数の和:7147

約数の個数: 72

約数和(自身を含む): 5433390144

約数和(自身を除く): 3643446564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1901, 3802, 5231, 5703, 7604, 9505, 10462, 11406, 15693, 17109, 19010, 20924, 22812, 26155, 28515, 31386, 34218, 38020, 47079, 52310, 57030, 62772, 68436, 78465, 85545, 94158, 104620, 114060, 156930, 171090, 188316, 235395, 313860, 342180, 470790, 941580, 9944131, 19888262, 29832393, 39776524, 49720655, 59664786, 89497179, 99441310, 119329572, 149161965, 178994358, 198882620, 298323930, 357988716, 447485895, 596647860, 894971790, 1789943580]

約数ペア:

[(1, 1789943580), (2, 894971790), (3, 596647860), (4, 447485895), (5, 357988716), (6, 298323930), (9, 198882620), (10, 178994358), (12, 149161965), (15, 119329572), (18, 99441310), (20, 89497179), (30, 59664786), (36, 49720655), (45, 39776524), (60, 29832393), (90, 19888262), (180, 9944131), (1901, 941580), (3802, 470790), (5231, 342180), (5703, 313860), (7604, 235395), (9505, 188316), (10462, 171090), (11406, 156930), (15693, 114060), (17109, 104620), (19010, 94158), (20924, 85545), (22812, 78465), (26155, 68436), (28515, 62772), (31386, 57030), (34218, 52310), (38020, 47079)]