161257920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:319

約数の個数: 224

約数和(自身を含む): 557637696

約数和(自身を除く): 396379776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 64, 68, 80, 82, 85, 96, 102, 120, 123, 136, 160, 164, 170, 192, 204, 205, 240, 241, 246, 255, 272, 320, 328, 340, 408, 410, 480, 482, 492, 510, 544, 615, 656, 680, 697, 723, 816, 820, 960, 964, 984, 1020, 1088, 1205, 1230, 1312, 1360, 1394, 1446, 1632, 1640, 1928, 1968, 2040, 2091, 2410, 2460, 2624, 2720, 2788, 2892, 3264, 3280, 3485, 3615, 3856, 3936, 4080, 4097, 4182, 4820, 4920, 5440, 5576, 5784, 6560, 6970, 7230, 7712, 7872, 8160, 8194, 8364, 9640, 9840, 9881, 10455, 11152, 11568, 12291, 13120, 13940, 14460, 15424, 16320, 16388, 16728, 19280, 19680, 19762, 20485, 20910, 22304, 23136, 24582, 27880, 28920, 29643, 32776, 33456, 38560, 39360, 39524, 40970, 41820, 44608, 46272, 49164, 49405, 55760, 57840, 59286, 61455, 65552, 66912, 77120, 79048, 81940, 83640, 98328, 98810, 111520, 115680, 118572, 122910, 131104, 133824, 148215, 158096, 163880, 167280, 167977, 196656, 197620, 223040, 231360, 237144, 245820, 262208, 296430, 316192, 327760, 334560, 335954, 393312, 395240, 474288, 491640, 503931, 592860, 632384, 655520, 669120, 671908, 786624, 790480, 839885, 948576, 983280, 1007862, 1185720, 1311040, 1343816, 1580960, 1679770, 1897152, 1966560, 2015724, 2371440, 2519655, 2687632, 3161920, 3359540, 3933120, 4031448, 4742880, 5039310, 5375264, 6719080, 8062896, 9485760, 10078620, 10750528, 13438160, 16125792, 20157240, 26876320, 32251584, 40314480, 53752640, 80628960, 161257920]

約数ペア:

[(1, 161257920), (2, 80628960), (3, 53752640), (4, 40314480), (5, 32251584), (6, 26876320), (8, 20157240), (10, 16125792), (12, 13438160), (15, 10750528), (16, 10078620), (17, 9485760), (20, 8062896), (24, 6719080), (30, 5375264), (32, 5039310), (34, 4742880), (40, 4031448), (41, 3933120), (48, 3359540), (51, 3161920), (60, 2687632), (64, 2519655), (68, 2371440), (80, 2015724), (82, 1966560), (85, 1897152), (96, 1679770), (102, 1580960), (120, 1343816), (123, 1311040), (136, 1185720), (160, 1007862), (164, 983280), (170, 948576), (192, 839885), (204, 790480), (205, 786624), (240, 671908), (241, 669120), (246, 655520), (255, 632384), (272, 592860), (320, 503931), (328, 491640), (340, 474288), (408, 395240), (410, 393312), (480, 335954), (482, 334560), (492, 327760), (510, 316192), (544, 296430), (615, 262208), (656, 245820), (680, 237144), (697, 231360), (723, 223040), (816, 197620), (820, 196656), (960, 167977), (964, 167280), (984, 163880), (1020, 158096), (1088, 148215), (1205, 133824), (1230, 131104), (1312, 122910), (1360, 118572), (1394, 115680), (1446, 111520), (1632, 98810), (1640, 98328), (1928, 83640), (1968, 81940), (2040, 79048), (2091, 77120), (2410, 66912), (2460, 65552), (2624, 61455), (2720, 59286), (2788, 57840), (2892, 55760), (3264, 49405), (3280, 49164), (3485, 46272), (3615, 44608), (3856, 41820), (3936, 40970), (4080, 39524), (4097, 39360), (4182, 38560), (4820, 33456), (4920, 32776), (5440, 29643), (5576, 28920), (5784, 27880), (6560, 24582), (6970, 23136), (7230, 22304), (7712, 20910), (7872, 20485), (8160, 19762), (8194, 19680), (8364, 19280), (9640, 16728), (9840, 16388), (9881, 16320), (10455, 15424), (11152, 14460), (11568, 13940), (12291, 13120)]