168982240

素因数分解:

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

素因数の和:241

約数の個数: 144

約数和(自身を含む): 474447456

約数和(自身を除く): 305465216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 157, 160, 217, 224, 248, 280, 310, 314, 434, 496, 560, 620, 628, 785, 868, 961, 992, 1085, 1099, 1120, 1240, 1256, 1570, 1736, 1922, 2170, 2198, 2480, 2512, 3140, 3472, 3844, 4340, 4396, 4805, 4867, 4960, 5024, 5495, 6280, 6727, 6944, 7688, 8680, 8792, 9610, 9734, 10990, 12560, 13454, 15376, 17360, 17584, 19220, 19468, 21980, 24335, 25120, 26908, 30752, 33635, 34069, 34720, 35168, 38440, 38936, 43960, 48670, 53816, 67270, 68138, 76880, 77872, 87920, 97340, 107632, 134540, 136276, 150877, 153760, 155744, 170345, 175840, 194680, 215264, 269080, 272552, 301754, 340690, 389360, 538160, 545104, 603508, 681380, 754385, 778720, 1056139, 1076320, 1090208, 1207016, 1362760, 1508770, 2112278, 2414032, 2725520, 3017540, 4224556, 4828064, 5280695, 5451040, 6035080, 8449112, 10561390, 12070160, 16898224, 21122780, 24140320, 33796448, 42245560, 84491120, 168982240]

約数ペア:

[(1, 168982240), (2, 84491120), (4, 42245560), (5, 33796448), (7, 24140320), (8, 21122780), (10, 16898224), (14, 12070160), (16, 10561390), (20, 8449112), (28, 6035080), (31, 5451040), (32, 5280695), (35, 4828064), (40, 4224556), (56, 3017540), (62, 2725520), (70, 2414032), (80, 2112278), (112, 1508770), (124, 1362760), (140, 1207016), (155, 1090208), (157, 1076320), (160, 1056139), (217, 778720), (224, 754385), (248, 681380), (280, 603508), (310, 545104), (314, 538160), (434, 389360), (496, 340690), (560, 301754), (620, 272552), (628, 269080), (785, 215264), (868, 194680), (961, 175840), (992, 170345), (1085, 155744), (1099, 153760), (1120, 150877), (1240, 136276), (1256, 134540), (1570, 107632), (1736, 97340), (1922, 87920), (2170, 77872), (2198, 76880), (2480, 68138), (2512, 67270), (3140, 53816), (3472, 48670), (3844, 43960), (4340, 38936), (4396, 38440), (4805, 35168), (4867, 34720), (4960, 34069), (5024, 33635), (5495, 30752), (6280, 26908), (6727, 25120), (6944, 24335), (7688, 21980), (8680, 19468), (8792, 19220), (9610, 17584), (9734, 17360), (10990, 15376), (12560, 13454)]