123738240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 420860160

約数和(自身を除く): 297121920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 223, 240, 255, 272, 289, 320, 340, 384, 408, 446, 480, 510, 544, 578, 640, 669, 680, 816, 867, 892, 960, 1020, 1088, 1115, 1156, 1338, 1360, 1445, 1632, 1734, 1784, 1920, 2040, 2176, 2230, 2312, 2676, 2720, 2890, 3264, 3345, 3468, 3568, 3791, 4080, 4335, 4460, 4624, 5352, 5440, 5780, 6528, 6690, 6936, 7136, 7582, 8160, 8670, 8920, 9248, 10704, 10880, 11373, 11560, 13380, 13872, 14272, 15164, 16320, 17340, 17840, 18496, 18955, 21408, 22746, 23120, 26760, 27744, 28544, 30328, 32640, 34680, 35680, 36992, 37910, 42816, 45492, 46240, 53520, 55488, 56865, 60656, 64447, 69360, 71360, 75820, 85632, 90984, 92480, 107040, 110976, 113730, 121312, 128894, 138720, 142720, 151640, 181968, 184960, 193341, 214080, 227460, 242624, 257788, 277440, 303280, 322235, 363936, 386682, 428160, 454920, 485248, 515576, 554880, 606560, 644470, 727872, 773364, 909840, 966705, 1031152, 1213120, 1288940, 1455744, 1546728, 1819680, 1933410, 2062304, 2426240, 2577880, 3093456, 3639360, 3866820, 4124608, 5155760, 6186912, 7278720, 7733640, 8249216, 10311520, 12373824, 15467280, 20623040, 24747648, 30934560, 41246080, 61869120, 123738240]

約数ペア:

[(1, 123738240), (2, 61869120), (3, 41246080), (4, 30934560), (5, 24747648), (6, 20623040), (8, 15467280), (10, 12373824), (12, 10311520), (15, 8249216), (16, 7733640), (17, 7278720), (20, 6186912), (24, 5155760), (30, 4124608), (32, 3866820), (34, 3639360), (40, 3093456), (48, 2577880), (51, 2426240), (60, 2062304), (64, 1933410), (68, 1819680), (80, 1546728), (85, 1455744), (96, 1288940), (102, 1213120), (120, 1031152), (128, 966705), (136, 909840), (160, 773364), (170, 727872), (192, 644470), (204, 606560), (223, 554880), (240, 515576), (255, 485248), (272, 454920), (289, 428160), (320, 386682), (340, 363936), (384, 322235), (408, 303280), (446, 277440), (480, 257788), (510, 242624), (544, 227460), (578, 214080), (640, 193341), (669, 184960), (680, 181968), (816, 151640), (867, 142720), (892, 138720), (960, 128894), (1020, 121312), (1088, 113730), (1115, 110976), (1156, 107040), (1338, 92480), (1360, 90984), (1445, 85632), (1632, 75820), (1734, 71360), (1784, 69360), (1920, 64447), (2040, 60656), (2176, 56865), (2230, 55488), (2312, 53520), (2676, 46240), (2720, 45492), (2890, 42816), (3264, 37910), (3345, 36992), (3468, 35680), (3568, 34680), (3791, 32640), (4080, 30328), (4335, 28544), (4460, 27744), (4624, 26760), (5352, 23120), (5440, 22746), (5780, 21408), (6528, 18955), (6690, 18496), (6936, 17840), (7136, 17340), (7582, 16320), (8160, 15164), (8670, 14272), (8920, 13872), (9248, 13380), (10704, 11560), (10880, 11373)]