20858618160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{474923}}^1$

素因数の和:475003

約数の個数: 120

約数和(自身を含む): 71198706384

約数和(自身を除く): 50340088224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43920, 474923, 949846, 1424769, 1899692, 2374615, 2849538, 3799384, 4274307, 4749230, 5699076, 7123845, 7598768, 8548614, 9498460, 11398152, 14247690, 17097228, 18996920, 21371535, 22796304, 28495380, 28970303, 34194456, 37993840, 42743070, 56990760, 57940606, 68388912, 85486140, 86910909, 113981520, 115881212, 144851515, 170972280, 173821818, 231762424, 260732727, 289703030, 341944560, 347643636, 434554545, 463524848, 521465454, 579406060, 695287272, 869109090, 1042930908, 1158812120, 1303663635, 1390574544, 1738218180, 2085861816, 2317624240, 2607327270, 3476436360, 4171723632, 5214654540, 6952872720, 10429309080, 20858618160]

約数ペア:

[(1, 20858618160), (2, 10429309080), (3, 6952872720), (4, 5214654540), (5, 4171723632), (6, 3476436360), (8, 2607327270), (9, 2317624240), (10, 2085861816), (12, 1738218180), (15, 1390574544), (16, 1303663635), (18, 1158812120), (20, 1042930908), (24, 869109090), (30, 695287272), (36, 579406060), (40, 521465454), (45, 463524848), (48, 434554545), (60, 347643636), (61, 341944560), (72, 289703030), (80, 260732727), (90, 231762424), (120, 173821818), (122, 170972280), (144, 144851515), (180, 115881212), (183, 113981520), (240, 86910909), (244, 85486140), (305, 68388912), (360, 57940606), (366, 56990760), (488, 42743070), (549, 37993840), (610, 34194456), (720, 28970303), (732, 28495380), (915, 22796304), (976, 21371535), (1098, 18996920), (1220, 17097228), (1464, 14247690), (1830, 11398152), (2196, 9498460), (2440, 8548614), (2745, 7598768), (2928, 7123845), (3660, 5699076), (4392, 4749230), (4880, 4274307), (5490, 3799384), (7320, 2849538), (8784, 2374615), (10980, 1899692), (14640, 1424769), (21960, 949846), (43920, 474923)]