128210740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1441

約数の個数: 96

約数和(自身を含む): 332398080

約数和(自身を除く): 204187340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 58, 70, 92, 115, 116, 140, 145, 161, 203, 230, 290, 322, 406, 460, 580, 644, 667, 805, 812, 1015, 1334, 1373, 1610, 2030, 2668, 2746, 3220, 3335, 4060, 4669, 5492, 6670, 6865, 9338, 9611, 13340, 13730, 18676, 19222, 23345, 27460, 31579, 38444, 39817, 46690, 48055, 63158, 79634, 93380, 96110, 126316, 157895, 159268, 192220, 199085, 221053, 278719, 315790, 398170, 442106, 557438, 631580, 796340, 884212, 915791, 1105265, 1114876, 1393595, 1831582, 2210530, 2787190, 3663164, 4421060, 4578955, 5574380, 6410537, 9157910, 12821074, 18315820, 25642148, 32052685, 64105370, 128210740]

約数ペア:

[(1, 128210740), (2, 64105370), (4, 32052685), (5, 25642148), (7, 18315820), (10, 12821074), (14, 9157910), (20, 6410537), (23, 5574380), (28, 4578955), (29, 4421060), (35, 3663164), (46, 2787190), (58, 2210530), (70, 1831582), (92, 1393595), (115, 1114876), (116, 1105265), (140, 915791), (145, 884212), (161, 796340), (203, 631580), (230, 557438), (290, 442106), (322, 398170), (406, 315790), (460, 278719), (580, 221053), (644, 199085), (667, 192220), (805, 159268), (812, 157895), (1015, 126316), (1334, 96110), (1373, 93380), (1610, 79634), (2030, 63158), (2668, 48055), (2746, 46690), (3220, 39817), (3335, 38444), (4060, 31579), (4669, 27460), (5492, 23345), (6670, 19222), (6865, 18676), (9338, 13730), (9611, 13340)]