201728420820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{88643}}^1$

素因数の和:88974

約数の個数: 144

約数和(自身を含む): 627259127040

約数和(自身を除く): 425530706220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 269, 282, 423, 470, 538, 564, 705, 807, 846, 940, 1076, 1345, 1410, 1614, 1692, 2115, 2421, 2690, 2820, 3228, 4035, 4230, 4842, 5380, 8070, 8460, 9684, 12105, 12643, 16140, 24210, 25286, 37929, 48420, 50572, 63215, 75858, 88643, 113787, 126430, 151716, 177286, 189645, 227574, 252860, 265929, 354572, 379290, 443215, 455148, 531858, 568935, 758580, 797787, 886430, 1063716, 1137870, 1329645, 1595574, 1772860, 2275740, 2659290, 3191148, 3988935, 4166221, 5318580, 7977870, 8332442, 12498663, 15955740, 16664884, 20831105, 23844967, 24997326, 37495989, 41662210, 47689934, 49994652, 62493315, 71534901, 74991978, 83324420, 95379868, 119224835, 124986630, 143069802, 149983956, 187479945, 214604703, 238449670, 249973260, 286139604, 357674505, 374959890, 429209406, 476899340, 715349010, 749919780, 858418812, 1073023515, 1120713449, 1430698020, 2146047030, 2241426898, 3362140347, 4292094060, 4482853796, 5603567245, 6724280694, 10086421041, 11207134490, 13448561388, 16810701735, 20172842082, 22414268980, 33621403470, 40345684164, 50432105205, 67242806940, 100864210410, 201728420820]

約数ペア:

[(1, 201728420820), (2, 100864210410), (3, 67242806940), (4, 50432105205), (5, 40345684164), (6, 33621403470), (9, 22414268980), (10, 20172842082), (12, 16810701735), (15, 13448561388), (18, 11207134490), (20, 10086421041), (30, 6724280694), (36, 5603567245), (45, 4482853796), (47, 4292094060), (60, 3362140347), (90, 2241426898), (94, 2146047030), (141, 1430698020), (180, 1120713449), (188, 1073023515), (235, 858418812), (269, 749919780), (282, 715349010), (423, 476899340), (470, 429209406), (538, 374959890), (564, 357674505), (705, 286139604), (807, 249973260), (846, 238449670), (940, 214604703), (1076, 187479945), (1345, 149983956), (1410, 143069802), (1614, 124986630), (1692, 119224835), (2115, 95379868), (2421, 83324420), (2690, 74991978), (2820, 71534901), (3228, 62493315), (4035, 49994652), (4230, 47689934), (4842, 41662210), (5380, 37495989), (8070, 24997326), (8460, 23844967), (9684, 20831105), (12105, 16664884), (12643, 15955740), (16140, 12498663), (24210, 8332442), (25286, 7977870), (37929, 5318580), (48420, 4166221), (50572, 3988935), (63215, 3191148), (75858, 2659290), (88643, 2275740), (113787, 1772860), (126430, 1595574), (151716, 1329645), (177286, 1137870), (189645, 1063716), (227574, 886430), (252860, 797787), (265929, 758580), (354572, 568935), (379290, 531858), (443215, 455148)]