261664000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 288

約数和(自身を含む): 763360416

約数和(自身を除く): 501696416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 37, 40, 50, 52, 64, 65, 68, 74, 80, 85, 100, 104, 125, 128, 130, 136, 148, 160, 170, 185, 200, 208, 221, 250, 256, 260, 272, 296, 320, 325, 340, 370, 400, 416, 425, 442, 481, 500, 520, 544, 592, 629, 640, 650, 680, 740, 800, 832, 850, 884, 925, 962, 1000, 1040, 1088, 1105, 1184, 1258, 1280, 1300, 1360, 1480, 1600, 1625, 1664, 1700, 1768, 1850, 1924, 2000, 2080, 2125, 2176, 2210, 2368, 2405, 2516, 2600, 2720, 2960, 3145, 3200, 3250, 3328, 3400, 3536, 3700, 3848, 4000, 4160, 4250, 4352, 4420, 4625, 4736, 4810, 5032, 5200, 5440, 5525, 5920, 6290, 6400, 6500, 6800, 7072, 7400, 7696, 8000, 8177, 8320, 8500, 8840, 9250, 9472, 9620, 10064, 10400, 10880, 11050, 11840, 12025, 12580, 13000, 13600, 14144, 14800, 15392, 15725, 16000, 16354, 16640, 17000, 17680, 18500, 19240, 20128, 20800, 21760, 22100, 23680, 24050, 25160, 26000, 27200, 27625, 28288, 29600, 30784, 31450, 32000, 32708, 34000, 35360, 37000, 38480, 40256, 40885, 41600, 44200, 47360, 48100, 50320, 52000, 54400, 55250, 56576, 59200, 60125, 61568, 62900, 65416, 68000, 70720, 74000, 76960, 78625, 80512, 81770, 83200, 88400, 96200, 100640, 104000, 108800, 110500, 118400, 120250, 123136, 125800, 130832, 136000, 141440, 148000, 153920, 157250, 161024, 163540, 176800, 192400, 201280, 204425, 208000, 221000, 236800, 240500, 251600, 261664, 272000, 282880, 296000, 307840, 314500, 327080, 353600, 384800, 402560, 408850, 416000, 442000, 481000, 503200, 523328, 544000, 592000, 615680, 629000, 654160, 707200, 769600, 805120, 817700, 884000, 962000, 1006400, 1022125, 1046656, 1184000, 1258000, 1308320, 1414400, 1539200, 1635400, 1768000, 1924000, 2012800, 2044250, 2093312, 2516000, 2616640, 3078400, 3270800, 3536000, 3848000, 4025600, 4088500, 5032000, 5233280, 6541600, 7072000, 7696000, 8177000, 10064000, 10466560, 13083200, 15392000, 16354000, 20128000, 26166400, 32708000, 52332800, 65416000, 130832000, 261664000]

約数ペア:

[(1, 261664000), (2, 130832000), (4, 65416000), (5, 52332800), (8, 32708000), (10, 26166400), (13, 20128000), (16, 16354000), (17, 15392000), (20, 13083200), (25, 10466560), (26, 10064000), (32, 8177000), (34, 7696000), (37, 7072000), (40, 6541600), (50, 5233280), (52, 5032000), (64, 4088500), (65, 4025600), (68, 3848000), (74, 3536000), (80, 3270800), (85, 3078400), (100, 2616640), (104, 2516000), (125, 2093312), (128, 2044250), (130, 2012800), (136, 1924000), (148, 1768000), (160, 1635400), (170, 1539200), (185, 1414400), (200, 1308320), (208, 1258000), (221, 1184000), (250, 1046656), (256, 1022125), (260, 1006400), (272, 962000), (296, 884000), (320, 817700), (325, 805120), (340, 769600), (370, 707200), (400, 654160), (416, 629000), (425, 615680), (442, 592000), (481, 544000), (500, 523328), (520, 503200), (544, 481000), (592, 442000), (629, 416000), (640, 408850), (650, 402560), (680, 384800), (740, 353600), (800, 327080), (832, 314500), (850, 307840), (884, 296000), (925, 282880), (962, 272000), (1000, 261664), (1040, 251600), (1088, 240500), (1105, 236800), (1184, 221000), (1258, 208000), (1280, 204425), (1300, 201280), (1360, 192400), (1480, 176800), (1600, 163540), (1625, 161024), (1664, 157250), (1700, 153920), (1768, 148000), (1850, 141440), (1924, 136000), (2000, 130832), (2080, 125800), (2125, 123136), (2176, 120250), (2210, 118400), (2368, 110500), (2405, 108800), (2516, 104000), (2600, 100640), (2720, 96200), (2960, 88400), (3145, 83200), (3200, 81770), (3250, 80512), (3328, 78625), (3400, 76960), (3536, 74000), (3700, 70720), (3848, 68000), (4000, 65416), (4160, 62900), (4250, 61568), (4352, 60125), (4420, 59200), (4625, 56576), (4736, 55250), (4810, 54400), (5032, 52000), (5200, 50320), (5440, 48100), (5525, 47360), (5920, 44200), (6290, 41600), (6400, 40885), (6500, 40256), (6800, 38480), (7072, 37000), (7400, 35360), (7696, 34000), (8000, 32708), (8177, 32000), (8320, 31450), (8500, 30784), (8840, 29600), (9250, 28288), (9472, 27625), (9620, 27200), (10064, 26000), (10400, 25160), (10880, 24050), (11050, 23680), (11840, 22100), (12025, 21760), (12580, 20800), (13000, 20128), (13600, 19240), (14144, 18500), (14800, 17680), (15392, 17000), (15725, 16640), (16000, 16354)]