81883440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:416

約数の個数: 160

約数和(自身を含む): 284981760

約数和(自身を除く): 203098320

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, 108, 120, 135, 144, 167, 180, 216, 227, 240, 270, 334, 360, 432, 454, 501, 540, 668, 681, 720, 835, 908, 1002, 1080, 1135, 1336, 1362, 1503, 1670, 1816, 2004, 2043, 2160, 2270, 2505, 2672, 2724, 3006, 3340, 3405, 3632, 4008, 4086, 4509, 4540, 5010, 5448, 6012, 6129, 6680, 6810, 7515, 8016, 8172, 9018, 9080, 10020, 10215, 10896, 12024, 12258, 13360, 13620, 15030, 16344, 18036, 18160, 20040, 20430, 22545, 24048, 24516, 27240, 30060, 30645, 32688, 36072, 37909, 40080, 40860, 45090, 49032, 54480, 60120, 61290, 72144, 75818, 81720, 90180, 98064, 113727, 120240, 122580, 151636, 163440, 180360, 189545, 227454, 245160, 303272, 341181, 360720, 379090, 454908, 490320, 568635, 606544, 682362, 758180, 909816, 1023543, 1137270, 1364724, 1516360, 1705905, 1819632, 2047086, 2274540, 2729448, 3032720, 3411810, 4094172, 4549080, 5117715, 5458896, 6823620, 8188344, 9098160, 10235430, 13647240, 16376688, 20470860, 27294480, 40941720, 81883440]

約数ペア:

[(1, 81883440), (2, 40941720), (3, 27294480), (4, 20470860), (5, 16376688), (6, 13647240), (8, 10235430), (9, 9098160), (10, 8188344), (12, 6823620), (15, 5458896), (16, 5117715), (18, 4549080), (20, 4094172), (24, 3411810), (27, 3032720), (30, 2729448), (36, 2274540), (40, 2047086), (45, 1819632), (48, 1705905), (54, 1516360), (60, 1364724), (72, 1137270), (80, 1023543), (90, 909816), (108, 758180), (120, 682362), (135, 606544), (144, 568635), (167, 490320), (180, 454908), (216, 379090), (227, 360720), (240, 341181), (270, 303272), (334, 245160), (360, 227454), (432, 189545), (454, 180360), (501, 163440), (540, 151636), (668, 122580), (681, 120240), (720, 113727), (835, 98064), (908, 90180), (1002, 81720), (1080, 75818), (1135, 72144), (1336, 61290), (1362, 60120), (1503, 54480), (1670, 49032), (1816, 45090), (2004, 40860), (2043, 40080), (2160, 37909), (2270, 36072), (2505, 32688), (2672, 30645), (2724, 30060), (3006, 27240), (3340, 24516), (3405, 24048), (3632, 22545), (4008, 20430), (4086, 20040), (4509, 18160), (4540, 18036), (5010, 16344), (5448, 15030), (6012, 13620), (6129, 13360), (6680, 12258), (6810, 12024), (7515, 10896), (8016, 10215), (8172, 10020), (9018, 9080)]