1281660000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 240

約数和(自身を含む): 4314906288

約数和(自身を除く): 3033246288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 75, 80, 82, 96, 100, 120, 123, 125, 150, 160, 164, 200, 205, 240, 246, 250, 300, 328, 375, 400, 410, 480, 492, 500, 521, 600, 615, 625, 656, 750, 800, 820, 984, 1000, 1025, 1042, 1200, 1230, 1250, 1312, 1500, 1563, 1640, 1875, 1968, 2000, 2050, 2084, 2400, 2460, 2500, 2605, 3000, 3075, 3126, 3280, 3750, 3936, 4000, 4100, 4168, 4920, 5000, 5125, 5210, 6000, 6150, 6252, 6560, 7500, 7815, 8200, 8336, 9840, 10000, 10250, 10420, 12000, 12300, 12504, 13025, 15000, 15375, 15630, 16400, 16672, 19680, 20000, 20500, 20840, 21361, 24600, 25008, 25625, 26050, 30000, 30750, 31260, 32800, 39075, 41000, 41680, 42722, 49200, 50016, 51250, 52100, 60000, 61500, 62520, 64083, 65125, 76875, 78150, 82000, 83360, 85444, 98400, 102500, 104200, 106805, 123000, 125040, 128166, 130250, 153750, 156300, 164000, 170888, 195375, 205000, 208400, 213610, 246000, 250080, 256332, 260500, 307500, 312600, 320415, 325625, 341776, 390750, 410000, 416800, 427220, 492000, 512664, 521000, 534025, 615000, 625200, 640830, 651250, 683552, 781500, 820000, 854440, 976875, 1025328, 1042000, 1068050, 1230000, 1250400, 1281660, 1302500, 1563000, 1602075, 1708880, 1953750, 2050656, 2084000, 2136100, 2460000, 2563320, 2605000, 2670125, 3126000, 3204150, 3417760, 3907500, 4272200, 5126640, 5210000, 5340250, 6252000, 6408300, 7815000, 8010375, 8544400, 10253280, 10420000, 10680500, 12816600, 13350625, 15630000, 16020750, 17088800, 21361000, 25633200, 26701250, 31260000, 32041500, 40051875, 42722000, 51266400, 53402500, 64083000, 80103750, 85444000, 106805000, 128166000, 160207500, 213610000, 256332000, 320415000, 427220000, 640830000, 1281660000]

約数ペア:

[(1, 1281660000), (2, 640830000), (3, 427220000), (4, 320415000), (5, 256332000), (6, 213610000), (8, 160207500), (10, 128166000), (12, 106805000), (15, 85444000), (16, 80103750), (20, 64083000), (24, 53402500), (25, 51266400), (30, 42722000), (32, 40051875), (40, 32041500), (41, 31260000), (48, 26701250), (50, 25633200), (60, 21361000), (75, 17088800), (80, 16020750), (82, 15630000), (96, 13350625), (100, 12816600), (120, 10680500), (123, 10420000), (125, 10253280), (150, 8544400), (160, 8010375), (164, 7815000), (200, 6408300), (205, 6252000), (240, 5340250), (246, 5210000), (250, 5126640), (300, 4272200), (328, 3907500), (375, 3417760), (400, 3204150), (410, 3126000), (480, 2670125), (492, 2605000), (500, 2563320), (521, 2460000), (600, 2136100), (615, 2084000), (625, 2050656), (656, 1953750), (750, 1708880), (800, 1602075), (820, 1563000), (984, 1302500), (1000, 1281660), (1025, 1250400), (1042, 1230000), (1200, 1068050), (1230, 1042000), (1250, 1025328), (1312, 976875), (1500, 854440), (1563, 820000), (1640, 781500), (1875, 683552), (1968, 651250), (2000, 640830), (2050, 625200), (2084, 615000), (2400, 534025), (2460, 521000), (2500, 512664), (2605, 492000), (3000, 427220), (3075, 416800), (3126, 410000), (3280, 390750), (3750, 341776), (3936, 325625), (4000, 320415), (4100, 312600), (4168, 307500), (4920, 260500), (5000, 256332), (5125, 250080), (5210, 246000), (6000, 213610), (6150, 208400), (6252, 205000), (6560, 195375), (7500, 170888), (7815, 164000), (8200, 156300), (8336, 153750), (9840, 130250), (10000, 128166), (10250, 125040), (10420, 123000), (12000, 106805), (12300, 104200), (12504, 102500), (13025, 98400), (15000, 85444), (15375, 83360), (15630, 82000), (16400, 78150), (16672, 76875), (19680, 65125), (20000, 64083), (20500, 62520), (20840, 61500), (21361, 60000), (24600, 52100), (25008, 51250), (25625, 50016), (26050, 49200), (30000, 42722), (30750, 41680), (31260, 41000), (32800, 39075)]