156789620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 374588928

約数和(自身を除く): 217799308

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 157, 167, 230, 260, 299, 314, 334, 460, 598, 628, 668, 785, 835, 1196, 1495, 1570, 1670, 2041, 2171, 2990, 3140, 3340, 3611, 3841, 4082, 4342, 5980, 7222, 7682, 8164, 8684, 10205, 10855, 14444, 15364, 18055, 19205, 20410, 21710, 26219, 36110, 38410, 40820, 43420, 46943, 49933, 52438, 72220, 76820, 93886, 99866, 104876, 131095, 187772, 199732, 234715, 249665, 262190, 340847, 469430, 499330, 524380, 603037, 681694, 938860, 998660, 1206074, 1363388, 1704235, 2412148, 3015185, 3408470, 6030370, 6816940, 7839481, 12060740, 15678962, 31357924, 39197405, 78394810, 156789620]

約数ペア:

[(1, 156789620), (2, 78394810), (4, 39197405), (5, 31357924), (10, 15678962), (13, 12060740), (20, 7839481), (23, 6816940), (26, 6030370), (46, 3408470), (52, 3015185), (65, 2412148), (92, 1704235), (115, 1363388), (130, 1206074), (157, 998660), (167, 938860), (230, 681694), (260, 603037), (299, 524380), (314, 499330), (334, 469430), (460, 340847), (598, 262190), (628, 249665), (668, 234715), (785, 199732), (835, 187772), (1196, 131095), (1495, 104876), (1570, 99866), (1670, 93886), (2041, 76820), (2171, 72220), (2990, 52438), (3140, 49933), (3340, 46943), (3611, 43420), (3841, 40820), (4082, 38410), (4342, 36110), (5980, 26219), (7222, 21710), (7682, 20410), (8164, 19205), (8684, 18055), (10205, 15364), (10855, 14444)]