142387980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{977}}^1$

素因数の和:1343

約数の個数: 96

約数和(自身を含む): 457422336

約数和(自身を除く): 315034356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 694, 977, 1041, 1388, 1735, 1954, 2082, 2429, 2931, 3470, 3908, 4164, 4858, 4885, 5205, 5862, 6839, 6940, 7287, 9716, 9770, 10410, 11724, 12145, 13678, 14574, 14655, 19540, 20517, 20820, 24290, 27356, 29148, 29310, 34195, 36435, 41034, 48580, 58620, 68390, 72870, 82068, 102585, 136780, 145740, 205170, 339019, 410340, 678038, 1017057, 1356076, 1695095, 2034114, 2373133, 3390190, 4068228, 4746266, 5085285, 6780380, 7119399, 9492532, 10170570, 11865665, 14238798, 20341140, 23731330, 28477596, 35596995, 47462660, 71193990, 142387980]

約数ペア:

[(1, 142387980), (2, 71193990), (3, 47462660), (4, 35596995), (5, 28477596), (6, 23731330), (7, 20341140), (10, 14238798), (12, 11865665), (14, 10170570), (15, 9492532), (20, 7119399), (21, 6780380), (28, 5085285), (30, 4746266), (35, 4068228), (42, 3390190), (60, 2373133), (70, 2034114), (84, 1695095), (105, 1356076), (140, 1017057), (210, 678038), (347, 410340), (420, 339019), (694, 205170), (977, 145740), (1041, 136780), (1388, 102585), (1735, 82068), (1954, 72870), (2082, 68390), (2429, 58620), (2931, 48580), (3470, 41034), (3908, 36435), (4164, 34195), (4858, 29310), (4885, 29148), (5205, 27356), (5862, 24290), (6839, 20820), (6940, 20517), (7287, 19540), (9716, 14655), (9770, 14574), (10410, 13678), (11724, 12145)]