1351857920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 216

約数和(自身を含む): 3848296032

約数和(自身を除く): 2496438112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 157, 160, 217, 224, 248, 256, 280, 310, 314, 320, 434, 448, 496, 560, 620, 628, 640, 785, 868, 896, 961, 992, 1085, 1099, 1120, 1240, 1256, 1280, 1570, 1736, 1792, 1922, 1984, 2170, 2198, 2240, 2480, 2512, 3140, 3472, 3844, 3968, 4340, 4396, 4480, 4805, 4867, 4960, 5024, 5495, 6280, 6727, 6944, 7688, 7936, 8680, 8792, 8960, 9610, 9734, 9920, 10048, 10990, 12560, 13454, 13888, 15376, 17360, 17584, 19220, 19468, 19840, 20096, 21980, 24335, 25120, 26908, 27776, 30752, 33635, 34069, 34720, 35168, 38440, 38936, 39680, 40192, 43960, 48670, 50240, 53816, 55552, 61504, 67270, 68138, 69440, 70336, 76880, 77872, 87920, 97340, 100480, 107632, 123008, 134540, 136276, 138880, 140672, 150877, 153760, 155744, 170345, 175840, 194680, 200960, 215264, 246016, 269080, 272552, 277760, 281344, 301754, 307520, 311488, 340690, 351680, 389360, 430528, 538160, 545104, 603508, 615040, 622976, 681380, 703360, 754385, 778720, 861056, 1056139, 1076320, 1090208, 1207016, 1230080, 1245952, 1362760, 1406720, 1508770, 1557440, 1722112, 2112278, 2152640, 2180416, 2414032, 2725520, 3017540, 3114880, 4224556, 4305280, 4360832, 4828064, 5280695, 5451040, 6035080, 6229760, 8449112, 8610560, 8721664, 9656128, 10561390, 10902080, 12070160, 16898224, 19312256, 21122780, 21804160, 24140320, 33796448, 38624512, 42245560, 43608320, 48280640, 67592896, 84491120, 96561280, 135185792, 168982240, 193122560, 270371584, 337964480, 675928960, 1351857920]

約数ペア:

[(1, 1351857920), (2, 675928960), (4, 337964480), (5, 270371584), (7, 193122560), (8, 168982240), (10, 135185792), (14, 96561280), (16, 84491120), (20, 67592896), (28, 48280640), (31, 43608320), (32, 42245560), (35, 38624512), (40, 33796448), (56, 24140320), (62, 21804160), (64, 21122780), (70, 19312256), (80, 16898224), (112, 12070160), (124, 10902080), (128, 10561390), (140, 9656128), (155, 8721664), (157, 8610560), (160, 8449112), (217, 6229760), (224, 6035080), (248, 5451040), (256, 5280695), (280, 4828064), (310, 4360832), (314, 4305280), (320, 4224556), (434, 3114880), (448, 3017540), (496, 2725520), (560, 2414032), (620, 2180416), (628, 2152640), (640, 2112278), (785, 1722112), (868, 1557440), (896, 1508770), (961, 1406720), (992, 1362760), (1085, 1245952), (1099, 1230080), (1120, 1207016), (1240, 1090208), (1256, 1076320), (1280, 1056139), (1570, 861056), (1736, 778720), (1792, 754385), (1922, 703360), (1984, 681380), (2170, 622976), (2198, 615040), (2240, 603508), (2480, 545104), (2512, 538160), (3140, 430528), (3472, 389360), (3844, 351680), (3968, 340690), (4340, 311488), (4396, 307520), (4480, 301754), (4805, 281344), (4867, 277760), (4960, 272552), (5024, 269080), (5495, 246016), (6280, 215264), (6727, 200960), (6944, 194680), (7688, 175840), (7936, 170345), (8680, 155744), (8792, 153760), (8960, 150877), (9610, 140672), (9734, 138880), (9920, 136276), (10048, 134540), (10990, 123008), (12560, 107632), (13454, 100480), (13888, 97340), (15376, 87920), (17360, 77872), (17584, 76880), (19220, 70336), (19468, 69440), (19840, 68138), (20096, 67270), (21980, 61504), (24335, 55552), (25120, 53816), (26908, 50240), (27776, 48670), (30752, 43960), (33635, 40192), (34069, 39680), (34720, 38936), (35168, 38440)]