21569600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 168

約数和(自身を含む): 61511688

約数和(自身を除く): 39942088

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, 130, 136, 160, 170, 200, 208, 221, 244, 260, 272, 305, 320, 325, 340, 400, 416, 425, 442, 488, 520, 544, 610, 650, 680, 793, 800, 832, 850, 884, 976, 1037, 1040, 1088, 1105, 1220, 1300, 1360, 1525, 1586, 1600, 1700, 1768, 1952, 2074, 2080, 2210, 2440, 2600, 2720, 3050, 3172, 3400, 3536, 3904, 3965, 4148, 4160, 4420, 4880, 5185, 5200, 5440, 5525, 6100, 6344, 6800, 7072, 7930, 8296, 8840, 9760, 10370, 10400, 11050, 12200, 12688, 13481, 13600, 14144, 15860, 16592, 17680, 19520, 19825, 20740, 20800, 22100, 24400, 25376, 25925, 26962, 27200, 31720, 33184, 35360, 39650, 41480, 44200, 48800, 50752, 51850, 53924, 63440, 66368, 67405, 70720, 79300, 82960, 88400, 97600, 103700, 107848, 126880, 134810, 158600, 165920, 176800, 207400, 215696, 253760, 269620, 317200, 331840, 337025, 353600, 414800, 431392, 539240, 634400, 674050, 829600, 862784, 1078480, 1268800, 1348100, 1659200, 2156960, 2696200, 4313920, 5392400, 10784800, 21569600]

約数ペア:

[(1, 21569600), (2, 10784800), (4, 5392400), (5, 4313920), (8, 2696200), (10, 2156960), (13, 1659200), (16, 1348100), (17, 1268800), (20, 1078480), (25, 862784), (26, 829600), (32, 674050), (34, 634400), (40, 539240), (50, 431392), (52, 414800), (61, 353600), (64, 337025), (65, 331840), (68, 317200), (80, 269620), (85, 253760), (100, 215696), (104, 207400), (122, 176800), (130, 165920), (136, 158600), (160, 134810), (170, 126880), (200, 107848), (208, 103700), (221, 97600), (244, 88400), (260, 82960), (272, 79300), (305, 70720), (320, 67405), (325, 66368), (340, 63440), (400, 53924), (416, 51850), (425, 50752), (442, 48800), (488, 44200), (520, 41480), (544, 39650), (610, 35360), (650, 33184), (680, 31720), (793, 27200), (800, 26962), (832, 25925), (850, 25376), (884, 24400), (976, 22100), (1037, 20800), (1040, 20740), (1088, 19825), (1105, 19520), (1220, 17680), (1300, 16592), (1360, 15860), (1525, 14144), (1586, 13600), (1600, 13481), (1700, 12688), (1768, 12200), (1952, 11050), (2074, 10400), (2080, 10370), (2210, 9760), (2440, 8840), (2600, 8296), (2720, 7930), (3050, 7072), (3172, 6800), (3400, 6344), (3536, 6100), (3904, 5525), (3965, 5440), (4148, 5200), (4160, 5185), (4420, 4880)]