20213090880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151477}}^1$

素因数の和:151636

約数の個数: 112

約数和(自身を含む): 64638692160

約数和(自身を除く): 44425601280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 417, 480, 556, 695, 834, 960, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 4448, 5560, 6672, 8340, 8896, 11120, 13344, 16680, 22240, 26688, 33360, 44480, 66720, 133440, 151477, 302954, 454431, 605908, 757385, 908862, 1211816, 1514770, 1817724, 2272155, 2423632, 3029540, 3635448, 4544310, 4847264, 6059080, 7270896, 9088620, 9694528, 12118160, 14541792, 18177240, 21055303, 24236320, 29083584, 36354480, 42110606, 48472640, 63165909, 72708960, 84221212, 105276515, 126331818, 145417920, 168442424, 210553030, 252663636, 315829545, 336884848, 421106060, 505327272, 631659090, 673769696, 842212120, 1010654544, 1263318180, 1347539392, 1684424240, 2021309088, 2526636360, 3368848480, 4042618176, 5053272720, 6737696960, 10106545440, 20213090880]

約数ペア:

[(1, 20213090880), (2, 10106545440), (3, 6737696960), (4, 5053272720), (5, 4042618176), (6, 3368848480), (8, 2526636360), (10, 2021309088), (12, 1684424240), (15, 1347539392), (16, 1263318180), (20, 1010654544), (24, 842212120), (30, 673769696), (32, 631659090), (40, 505327272), (48, 421106060), (60, 336884848), (64, 315829545), (80, 252663636), (96, 210553030), (120, 168442424), (139, 145417920), (160, 126331818), (192, 105276515), (240, 84221212), (278, 72708960), (320, 63165909), (417, 48472640), (480, 42110606), (556, 36354480), (695, 29083584), (834, 24236320), (960, 21055303), (1112, 18177240), (1390, 14541792), (1668, 12118160), (2085, 9694528), (2224, 9088620), (2780, 7270896), (3336, 6059080), (4170, 4847264), (4448, 4544310), (5560, 3635448), (6672, 3029540), (8340, 2423632), (8896, 2272155), (11120, 1817724), (13344, 1514770), (16680, 1211816), (22240, 908862), (26688, 757385), (33360, 605908), (44480, 454431), (66720, 302954), (133440, 151477)]