242571280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 677099520

約数和(自身を除く): 434528240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 89, 112, 124, 140, 155, 157, 178, 217, 248, 280, 310, 314, 356, 434, 445, 496, 560, 620, 623, 628, 712, 785, 868, 890, 1085, 1099, 1240, 1246, 1256, 1424, 1570, 1736, 1780, 2170, 2198, 2480, 2492, 2512, 2759, 3115, 3140, 3472, 3560, 4340, 4396, 4867, 4984, 5495, 5518, 6230, 6280, 7120, 8680, 8792, 9734, 9968, 10990, 11036, 12460, 12560, 13795, 13973, 17360, 17584, 19313, 19468, 21980, 22072, 24335, 24920, 27590, 27946, 34069, 38626, 38936, 43960, 44144, 48670, 49840, 55180, 55892, 68138, 69865, 77252, 77872, 87920, 96565, 97340, 97811, 110360, 111784, 136276, 139730, 154504, 170345, 193130, 194680, 195622, 220720, 223568, 272552, 279460, 309008, 340690, 386260, 389360, 391244, 433163, 489055, 545104, 558920, 681380, 772520, 782488, 866326, 978110, 1117840, 1362760, 1545040, 1564976, 1732652, 1956220, 2165815, 2725520, 3032141, 3465304, 3912440, 4331630, 6064282, 6930608, 7824880, 8663260, 12128564, 15160705, 17326520, 24257128, 30321410, 34653040, 48514256, 60642820, 121285640, 242571280]

約数ペア:

[(1, 242571280), (2, 121285640), (4, 60642820), (5, 48514256), (7, 34653040), (8, 30321410), (10, 24257128), (14, 17326520), (16, 15160705), (20, 12128564), (28, 8663260), (31, 7824880), (35, 6930608), (40, 6064282), (56, 4331630), (62, 3912440), (70, 3465304), (80, 3032141), (89, 2725520), (112, 2165815), (124, 1956220), (140, 1732652), (155, 1564976), (157, 1545040), (178, 1362760), (217, 1117840), (248, 978110), (280, 866326), (310, 782488), (314, 772520), (356, 681380), (434, 558920), (445, 545104), (496, 489055), (560, 433163), (620, 391244), (623, 389360), (628, 386260), (712, 340690), (785, 309008), (868, 279460), (890, 272552), (1085, 223568), (1099, 220720), (1240, 195622), (1246, 194680), (1256, 193130), (1424, 170345), (1570, 154504), (1736, 139730), (1780, 136276), (2170, 111784), (2198, 110360), (2480, 97811), (2492, 97340), (2512, 96565), (2759, 87920), (3115, 77872), (3140, 77252), (3472, 69865), (3560, 68138), (4340, 55892), (4396, 55180), (4867, 49840), (4984, 48670), (5495, 44144), (5518, 43960), (6230, 38936), (6280, 38626), (7120, 34069), (8680, 27946), (8792, 27590), (9734, 24920), (9968, 24335), (10990, 22072), (11036, 21980), (12460, 19468), (12560, 19313), (13795, 17584), (13973, 17360)]