220746780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 693463680

約数和(自身を除く): 472716900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 97, 141, 180, 188, 194, 235, 269, 282, 291, 388, 423, 470, 485, 538, 564, 582, 705, 807, 846, 873, 940, 970, 1076, 1164, 1345, 1410, 1455, 1614, 1692, 1746, 1940, 2115, 2421, 2690, 2820, 2910, 3228, 3492, 4035, 4230, 4365, 4559, 4842, 5380, 5820, 8070, 8460, 8730, 9118, 9684, 12105, 12643, 13677, 16140, 17460, 18236, 22795, 24210, 25286, 26093, 27354, 37929, 41031, 45590, 48420, 50572, 52186, 54708, 63215, 68385, 75858, 78279, 82062, 91180, 104372, 113787, 126430, 130465, 136770, 151716, 156558, 164124, 189645, 205155, 227574, 234837, 252860, 260930, 273540, 313116, 379290, 391395, 410310, 455148, 469674, 521860, 568935, 758580, 782790, 820620, 939348, 1137870, 1174185, 1226371, 1565580, 2275740, 2348370, 2452742, 3679113, 4696740, 4905484, 6131855, 7358226, 11037339, 12263710, 14716452, 18395565, 22074678, 24527420, 36791130, 44149356, 55186695, 73582260, 110373390, 220746780]

約数ペア:

[(1, 220746780), (2, 110373390), (3, 73582260), (4, 55186695), (5, 44149356), (6, 36791130), (9, 24527420), (10, 22074678), (12, 18395565), (15, 14716452), (18, 12263710), (20, 11037339), (30, 7358226), (36, 6131855), (45, 4905484), (47, 4696740), (60, 3679113), (90, 2452742), (94, 2348370), (97, 2275740), (141, 1565580), (180, 1226371), (188, 1174185), (194, 1137870), (235, 939348), (269, 820620), (282, 782790), (291, 758580), (388, 568935), (423, 521860), (470, 469674), (485, 455148), (538, 410310), (564, 391395), (582, 379290), (705, 313116), (807, 273540), (846, 260930), (873, 252860), (940, 234837), (970, 227574), (1076, 205155), (1164, 189645), (1345, 164124), (1410, 156558), (1455, 151716), (1614, 136770), (1692, 130465), (1746, 126430), (1940, 113787), (2115, 104372), (2421, 91180), (2690, 82062), (2820, 78279), (2910, 75858), (3228, 68385), (3492, 63215), (4035, 54708), (4230, 52186), (4365, 50572), (4559, 48420), (4842, 45590), (5380, 41031), (5820, 37929), (8070, 27354), (8460, 26093), (8730, 25286), (9118, 24210), (9684, 22795), (12105, 18236), (12643, 17460), (13677, 16140)]