91304920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 247541760

約数和(自身を除く): 156236840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 67, 70, 124, 134, 140, 155, 157, 217, 248, 268, 280, 310, 314, 335, 434, 469, 536, 620, 628, 670, 785, 868, 938, 1085, 1099, 1240, 1256, 1340, 1570, 1736, 1876, 2077, 2170, 2198, 2345, 2680, 3140, 3752, 4154, 4340, 4396, 4690, 4867, 5495, 6280, 8308, 8680, 8792, 9380, 9734, 10385, 10519, 10990, 14539, 16616, 18760, 19468, 20770, 21038, 21980, 24335, 29078, 34069, 38936, 41540, 42076, 43960, 48670, 52595, 58156, 68138, 72695, 73633, 83080, 84152, 97340, 105190, 116312, 136276, 145390, 147266, 170345, 194680, 210380, 272552, 290780, 294532, 326089, 340690, 368165, 420760, 581560, 589064, 652178, 681380, 736330, 1304356, 1362760, 1472660, 1630445, 2282623, 2608712, 2945320, 3260890, 4565246, 6521780, 9130492, 11413115, 13043560, 18260984, 22826230, 45652460, 91304920]

約数ペア:

[(1, 91304920), (2, 45652460), (4, 22826230), (5, 18260984), (7, 13043560), (8, 11413115), (10, 9130492), (14, 6521780), (20, 4565246), (28, 3260890), (31, 2945320), (35, 2608712), (40, 2282623), (56, 1630445), (62, 1472660), (67, 1362760), (70, 1304356), (124, 736330), (134, 681380), (140, 652178), (155, 589064), (157, 581560), (217, 420760), (248, 368165), (268, 340690), (280, 326089), (310, 294532), (314, 290780), (335, 272552), (434, 210380), (469, 194680), (536, 170345), (620, 147266), (628, 145390), (670, 136276), (785, 116312), (868, 105190), (938, 97340), (1085, 84152), (1099, 83080), (1240, 73633), (1256, 72695), (1340, 68138), (1570, 58156), (1736, 52595), (1876, 48670), (2077, 43960), (2170, 42076), (2198, 41540), (2345, 38936), (2680, 34069), (3140, 29078), (3752, 24335), (4154, 21980), (4340, 21038), (4396, 20770), (4690, 19468), (4867, 18760), (5495, 16616), (6280, 14539), (8308, 10990), (8680, 10519), (8792, 10385), (9380, 9734)]