15697675420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1\times {\mathrm{2137}}^1$

素因数の和:2963

約数の個数: 96

約数和(自身を含む): 38274647040

約数和(自身を除く): 22576971620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 739, 994, 1420, 1478, 1988, 2137, 2485, 2956, 3695, 4274, 4970, 5173, 7390, 8548, 9940, 10346, 10685, 14780, 14959, 20692, 21370, 25865, 29918, 42740, 51730, 52469, 59836, 74795, 103460, 104938, 149590, 151727, 209876, 262345, 299180, 303454, 367283, 524690, 606908, 734566, 758635, 1049380, 1062089, 1469132, 1517270, 1579243, 1836415, 2124178, 3034540, 3158486, 3672830, 4248356, 5310445, 6316972, 7345660, 7896215, 10620890, 11054701, 15792430, 21241780, 22109402, 31584860, 44218804, 55273505, 110547010, 112126253, 221094020, 224252506, 448505012, 560631265, 784883771, 1121262530, 1569767542, 2242525060, 3139535084, 3924418855, 7848837710, 15697675420]

約数ペア:

[(1, 15697675420), (2, 7848837710), (4, 3924418855), (5, 3139535084), (7, 2242525060), (10, 1569767542), (14, 1121262530), (20, 784883771), (28, 560631265), (35, 448505012), (70, 224252506), (71, 221094020), (140, 112126253), (142, 110547010), (284, 55273505), (355, 44218804), (497, 31584860), (710, 22109402), (739, 21241780), (994, 15792430), (1420, 11054701), (1478, 10620890), (1988, 7896215), (2137, 7345660), (2485, 6316972), (2956, 5310445), (3695, 4248356), (4274, 3672830), (4970, 3158486), (5173, 3034540), (7390, 2124178), (8548, 1836415), (9940, 1579243), (10346, 1517270), (10685, 1469132), (14780, 1062089), (14959, 1049380), (20692, 758635), (21370, 734566), (25865, 606908), (29918, 524690), (42740, 367283), (51730, 303454), (52469, 299180), (59836, 262345), (74795, 209876), (103460, 151727), (104938, 149590)]