20181708900

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2741}}^1$

素因数の和:2874

約数の個数: 252

約数和(自身を含む): 66335730804

約数和(自身を除く): 46154021904

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 101, 108, 135, 150, 162, 180, 202, 225, 243, 270, 300, 303, 324, 404, 405, 450, 486, 505, 540, 606, 675, 729, 810, 900, 909, 972, 1010, 1212, 1215, 1350, 1458, 1515, 1620, 1818, 2020, 2025, 2430, 2525, 2700, 2727, 2741, 2916, 3030, 3636, 3645, 4050, 4545, 4860, 5050, 5454, 5482, 6060, 6075, 7290, 7575, 8100, 8181, 8223, 9090, 10100, 10908, 10964, 12150, 13635, 13705, 14580, 15150, 16362, 16446, 18180, 18225, 22725, 24300, 24543, 24669, 27270, 27410, 30300, 32724, 32892, 36450, 40905, 41115, 45450, 49086, 49338, 54540, 54820, 68175, 68525, 72900, 73629, 74007, 81810, 82230, 90900, 98172, 98676, 122715, 123345, 136350, 137050, 147258, 148014, 163620, 164460, 204525, 205575, 222021, 245430, 246690, 272700, 274100, 276841, 294516, 296028, 368145, 370035, 409050, 411150, 444042, 490860, 493380, 553682, 613575, 616725, 666063, 736290, 740070, 818100, 822300, 830523, 888084, 1107364, 1110105, 1227150, 1233450, 1332126, 1384205, 1472580, 1480140, 1661046, 1840725, 1850175, 1998189, 2220210, 2454300, 2466900, 2491569, 2664252, 2768410, 3322092, 3330315, 3681450, 3700350, 3996378, 4152615, 4440420, 4983138, 5536820, 5550525, 6660630, 6921025, 7362900, 7400700, 7474707, 7992756, 8305230, 9966276, 9990945, 11101050, 12457845, 13321260, 13842050, 14949414, 16610460, 16651575, 19981890, 20763075, 22202100, 22424121, 24915690, 27684100, 29898828, 33303150, 37373535, 39963780, 41526150, 44848242, 49831380, 49954725, 62289225, 66606300, 67272363, 74747070, 83052300, 89696484, 99909450, 112120605, 124578450, 134544726, 149494140, 186867675, 199818900, 201817089, 224241210, 249156900, 269089452, 336361815, 373735350, 403634178, 448482420, 560603025, 672723630, 747470700, 807268356, 1009085445, 1121206050, 1345447260, 1681809075, 2018170890, 2242412100, 3363618150, 4036341780, 5045427225, 6727236300, 10090854450, 20181708900]

約数ペア:

[(1, 20181708900), (2, 10090854450), (3, 6727236300), (4, 5045427225), (5, 4036341780), (6, 3363618150), (9, 2242412100), (10, 2018170890), (12, 1681809075), (15, 1345447260), (18, 1121206050), (20, 1009085445), (25, 807268356), (27, 747470700), (30, 672723630), (36, 560603025), (45, 448482420), (50, 403634178), (54, 373735350), (60, 336361815), (75, 269089452), (81, 249156900), (90, 224241210), (100, 201817089), (101, 199818900), (108, 186867675), (135, 149494140), (150, 134544726), (162, 124578450), (180, 112120605), (202, 99909450), (225, 89696484), (243, 83052300), (270, 74747070), (300, 67272363), (303, 66606300), (324, 62289225), (404, 49954725), (405, 49831380), (450, 44848242), (486, 41526150), (505, 39963780), (540, 37373535), (606, 33303150), (675, 29898828), (729, 27684100), (810, 24915690), (900, 22424121), (909, 22202100), (972, 20763075), (1010, 19981890), (1212, 16651575), (1215, 16610460), (1350, 14949414), (1458, 13842050), (1515, 13321260), (1620, 12457845), (1818, 11101050), (2020, 9990945), (2025, 9966276), (2430, 8305230), (2525, 7992756), (2700, 7474707), (2727, 7400700), (2741, 7362900), (2916, 6921025), (3030, 6660630), (3636, 5550525), (3645, 5536820), (4050, 4983138), (4545, 4440420), (4860, 4152615), (5050, 3996378), (5454, 3700350), (5482, 3681450), (6060, 3330315), (6075, 3322092), (7290, 2768410), (7575, 2664252), (8100, 2491569), (8181, 2466900), (8223, 2454300), (9090, 2220210), (10100, 1998189), (10908, 1850175), (10964, 1840725), (12150, 1661046), (13635, 1480140), (13705, 1472580), (14580, 1384205), (15150, 1332126), (16362, 1233450), (16446, 1227150), (18180, 1110105), (18225, 1107364), (22725, 888084), (24300, 830523), (24543, 822300), (24669, 818100), (27270, 740070), (27410, 736290), (30300, 666063), (32724, 616725), (32892, 613575), (36450, 553682), (40905, 493380), (41115, 490860), (45450, 444042), (49086, 411150), (49338, 409050), (54540, 370035), (54820, 368145), (68175, 296028), (68525, 294516), (72900, 276841), (73629, 274100), (74007, 272700), (81810, 246690), (82230, 245430), (90900, 222021), (98172, 205575), (98676, 204525), (122715, 164460), (123345, 163620), (136350, 148014), (137050, 147258)]