21195252720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101161}}^1$

素因数の和:101280

約数の個数: 160

約数和(自身を含む): 73759237440

約数和(自身を除く): 52563984720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 97, 108, 120, 135, 144, 180, 194, 216, 240, 270, 291, 360, 388, 432, 485, 540, 582, 720, 776, 873, 970, 1080, 1164, 1455, 1552, 1746, 1940, 2160, 2328, 2619, 2910, 3492, 3880, 4365, 4656, 5238, 5820, 6984, 7760, 8730, 10476, 11640, 13095, 13968, 17460, 20952, 23280, 26190, 34920, 41904, 52380, 69840, 101161, 104760, 202322, 209520, 303483, 404644, 505805, 606966, 809288, 910449, 1011610, 1213932, 1517415, 1618576, 1820898, 2023220, 2427864, 2731347, 3034830, 3641796, 4046440, 4552245, 4855728, 5462694, 6069660, 7283592, 8092880, 9104490, 9812617, 10925388, 12139320, 13656735, 14567184, 18208980, 19625234, 21850776, 24278640, 27313470, 29437851, 36417960, 39250468, 43701552, 49063085, 54626940, 58875702, 72835920, 78500936, 88313553, 98126170, 109253880, 117751404, 147189255, 157001872, 176627106, 196252340, 218507760, 235502808, 264940659, 294378510, 353254212, 392504680, 441567765, 471005616, 529881318, 588757020, 706508424, 785009360, 883135530, 1059762636, 1177514040, 1324703295, 1413016848, 1766271060, 2119525272, 2355028080, 2649406590, 3532542120, 4239050544, 5298813180, 7065084240, 10597626360, 21195252720]

約数ペア:

[(1, 21195252720), (2, 10597626360), (3, 7065084240), (4, 5298813180), (5, 4239050544), (6, 3532542120), (8, 2649406590), (9, 2355028080), (10, 2119525272), (12, 1766271060), (15, 1413016848), (16, 1324703295), (18, 1177514040), (20, 1059762636), (24, 883135530), (27, 785009360), (30, 706508424), (36, 588757020), (40, 529881318), (45, 471005616), (48, 441567765), (54, 392504680), (60, 353254212), (72, 294378510), (80, 264940659), (90, 235502808), (97, 218507760), (108, 196252340), (120, 176627106), (135, 157001872), (144, 147189255), (180, 117751404), (194, 109253880), (216, 98126170), (240, 88313553), (270, 78500936), (291, 72835920), (360, 58875702), (388, 54626940), (432, 49063085), (485, 43701552), (540, 39250468), (582, 36417960), (720, 29437851), (776, 27313470), (873, 24278640), (970, 21850776), (1080, 19625234), (1164, 18208980), (1455, 14567184), (1552, 13656735), (1746, 12139320), (1940, 10925388), (2160, 9812617), (2328, 9104490), (2619, 8092880), (2910, 7283592), (3492, 6069660), (3880, 5462694), (4365, 4855728), (4656, 4552245), (5238, 4046440), (5820, 3641796), (6984, 3034830), (7760, 2731347), (8730, 2427864), (10476, 2023220), (11640, 1820898), (13095, 1618576), (13968, 1517415), (17460, 1213932), (20952, 1011610), (23280, 910449), (26190, 809288), (34920, 606966), (41904, 505805), (52380, 404644), (69840, 303483), (101161, 209520), (104760, 202322)]