81453960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32323}}^1$

素因数の和:32347

約数の個数: 96

約数和(自身を含む): 302552640

約数和(自身を除く): 221098680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32323, 64646, 96969, 129292, 161615, 193938, 226261, 258584, 290907, 323230, 387876, 452522, 484845, 581814, 646460, 678783, 775752, 905044, 969690, 1131305, 1163628, 1292920, 1357566, 1454535, 1810088, 1939380, 2036349, 2262610, 2327256, 2715132, 2909070, 3393915, 3878760, 4072698, 4525220, 5430264, 5818140, 6787830, 8145396, 9050440, 10181745, 11636280, 13575660, 16290792, 20363490, 27151320, 40726980, 81453960]

約数ペア:

[(1, 81453960), (2, 40726980), (3, 27151320), (4, 20363490), (5, 16290792), (6, 13575660), (7, 11636280), (8, 10181745), (9, 9050440), (10, 8145396), (12, 6787830), (14, 5818140), (15, 5430264), (18, 4525220), (20, 4072698), (21, 3878760), (24, 3393915), (28, 2909070), (30, 2715132), (35, 2327256), (36, 2262610), (40, 2036349), (42, 1939380), (45, 1810088), (56, 1454535), (60, 1357566), (63, 1292920), (70, 1163628), (72, 1131305), (84, 969690), (90, 905044), (105, 775752), (120, 678783), (126, 646460), (140, 581814), (168, 484845), (180, 452522), (210, 387876), (252, 323230), (280, 290907), (315, 258584), (360, 226261), (420, 193938), (504, 161615), (630, 129292), (840, 96969), (1260, 64646), (2520, 32323)]