31305760

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 47947232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 80, 92, 94, 115, 160, 181, 184, 188, 230, 235, 362, 368, 376, 460, 470, 724, 736, 752, 905, 920, 940, 1081, 1448, 1504, 1810, 1840, 1880, 2162, 2896, 3620, 3680, 3760, 4163, 4324, 5405, 5792, 7240, 7520, 8326, 8507, 8648, 10810, 14480, 16652, 17014, 17296, 20815, 21620, 28960, 33304, 34028, 34592, 41630, 42535, 43240, 66608, 68056, 83260, 85070, 86480, 133216, 136112, 166520, 170140, 172960, 195661, 272224, 333040, 340280, 391322, 666080, 680560, 782644, 978305, 1361120, 1565288, 1956610, 3130576, 3913220, 6261152, 7826440, 15652880, 31305760]

約数ペア:

[(1, 31305760), (2, 15652880), (4, 7826440), (5, 6261152), (8, 3913220), (10, 3130576), (16, 1956610), (20, 1565288), (23, 1361120), (32, 978305), (40, 782644), (46, 680560), (47, 666080), (80, 391322), (92, 340280), (94, 333040), (115, 272224), (160, 195661), (181, 172960), (184, 170140), (188, 166520), (230, 136112), (235, 133216), (362, 86480), (368, 85070), (376, 83260), (460, 68056), (470, 66608), (724, 43240), (736, 42535), (752, 41630), (905, 34592), (920, 34028), (940, 33304), (1081, 28960), (1448, 21620), (1504, 20815), (1810, 17296), (1840, 17014), (1880, 16652), (2162, 14480), (2896, 10810), (3620, 8648), (3680, 8507), (3760, 8326), (4163, 7520), (4324, 7240), (5405, 5792)]