215696000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 256

約数和(自身を含む): 621522720

約数和(自身を除く): 405826720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 61, 64, 65, 68, 80, 85, 100, 104, 122, 125, 128, 130, 136, 160, 170, 200, 208, 221, 244, 250, 260, 272, 305, 320, 325, 340, 400, 416, 425, 442, 488, 500, 520, 544, 610, 640, 650, 680, 793, 800, 832, 850, 884, 976, 1000, 1037, 1040, 1088, 1105, 1220, 1300, 1360, 1525, 1586, 1600, 1625, 1664, 1700, 1768, 1952, 2000, 2074, 2080, 2125, 2176, 2210, 2440, 2600, 2720, 3050, 3172, 3200, 3250, 3400, 3536, 3904, 3965, 4000, 4148, 4160, 4250, 4420, 4880, 5185, 5200, 5440, 5525, 6100, 6344, 6500, 6800, 7072, 7625, 7808, 7930, 8000, 8296, 8320, 8500, 8840, 9760, 10370, 10400, 10880, 11050, 12200, 12688, 13000, 13481, 13600, 14144, 15250, 15860, 16000, 16592, 17000, 17680, 19520, 19825, 20740, 20800, 22100, 24400, 25376, 25925, 26000, 26962, 27200, 27625, 28288, 30500, 31720, 33184, 34000, 35360, 39040, 39650, 41480, 41600, 44200, 48800, 50752, 51850, 52000, 53924, 54400, 55250, 61000, 63440, 66368, 67405, 68000, 70720, 79300, 82960, 88400, 97600, 99125, 101504, 103700, 104000, 107848, 110500, 122000, 126880, 129625, 132736, 134810, 136000, 141440, 158600, 165920, 176800, 195200, 198250, 207400, 208000, 215696, 221000, 244000, 253760, 259250, 269620, 272000, 317200, 331840, 337025, 353600, 396500, 414800, 431392, 442000, 488000, 507520, 518500, 539240, 634400, 663680, 674050, 707200, 793000, 829600, 862784, 884000, 976000, 1037000, 1078480, 1268800, 1348100, 1586000, 1659200, 1685125, 1725568, 1768000, 2074000, 2156960, 2537600, 2696200, 3172000, 3318400, 3370250, 3536000, 4148000, 4313920, 5392400, 6344000, 6740500, 8296000, 8627840, 10784800, 12688000, 13481000, 16592000, 21569600, 26962000, 43139200, 53924000, 107848000, 215696000]

約数ペア:

[(1, 215696000), (2, 107848000), (4, 53924000), (5, 43139200), (8, 26962000), (10, 21569600), (13, 16592000), (16, 13481000), (17, 12688000), (20, 10784800), (25, 8627840), (26, 8296000), (32, 6740500), (34, 6344000), (40, 5392400), (50, 4313920), (52, 4148000), (61, 3536000), (64, 3370250), (65, 3318400), (68, 3172000), (80, 2696200), (85, 2537600), (100, 2156960), (104, 2074000), (122, 1768000), (125, 1725568), (128, 1685125), (130, 1659200), (136, 1586000), (160, 1348100), (170, 1268800), (200, 1078480), (208, 1037000), (221, 976000), (244, 884000), (250, 862784), (260, 829600), (272, 793000), (305, 707200), (320, 674050), (325, 663680), (340, 634400), (400, 539240), (416, 518500), (425, 507520), (442, 488000), (488, 442000), (500, 431392), (520, 414800), (544, 396500), (610, 353600), (640, 337025), (650, 331840), (680, 317200), (793, 272000), (800, 269620), (832, 259250), (850, 253760), (884, 244000), (976, 221000), (1000, 215696), (1037, 208000), (1040, 207400), (1088, 198250), (1105, 195200), (1220, 176800), (1300, 165920), (1360, 158600), (1525, 141440), (1586, 136000), (1600, 134810), (1625, 132736), (1664, 129625), (1700, 126880), (1768, 122000), (1952, 110500), (2000, 107848), (2074, 104000), (2080, 103700), (2125, 101504), (2176, 99125), (2210, 97600), (2440, 88400), (2600, 82960), (2720, 79300), (3050, 70720), (3172, 68000), (3200, 67405), (3250, 66368), (3400, 63440), (3536, 61000), (3904, 55250), (3965, 54400), (4000, 53924), (4148, 52000), (4160, 51850), (4250, 50752), (4420, 48800), (4880, 44200), (5185, 41600), (5200, 41480), (5440, 39650), (5525, 39040), (6100, 35360), (6344, 34000), (6500, 33184), (6800, 31720), (7072, 30500), (7625, 28288), (7808, 27625), (7930, 27200), (8000, 26962), (8296, 26000), (8320, 25925), (8500, 25376), (8840, 24400), (9760, 22100), (10370, 20800), (10400, 20740), (10880, 19825), (11050, 19520), (12200, 17680), (12688, 17000), (13000, 16592), (13481, 16000), (13600, 15860), (14144, 15250)]