137749120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 348986880

約数和(自身を除く): 211237760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 131, 155, 160, 212, 248, 262, 265, 310, 320, 424, 496, 524, 530, 620, 640, 655, 848, 992, 1048, 1060, 1240, 1310, 1643, 1696, 1984, 2096, 2120, 2480, 2620, 3286, 3392, 3968, 4061, 4192, 4240, 4960, 5240, 6572, 6784, 6943, 8122, 8215, 8384, 8480, 9920, 10480, 13144, 13886, 16244, 16430, 16768, 16960, 19840, 20305, 20960, 26288, 27772, 32488, 32860, 33920, 34715, 40610, 41920, 52576, 55544, 64976, 65720, 69430, 81220, 83840, 105152, 111088, 129952, 131440, 138860, 162440, 210304, 215233, 222176, 259904, 262880, 277720, 324880, 430466, 444352, 519808, 525760, 555440, 649760, 860932, 888704, 1051520, 1076165, 1110880, 1299520, 1721864, 2152330, 2221760, 2599040, 3443728, 4304660, 4443520, 6887456, 8609320, 13774912, 17218640, 27549824, 34437280, 68874560, 137749120]

約数ペア:

[(1, 137749120), (2, 68874560), (4, 34437280), (5, 27549824), (8, 17218640), (10, 13774912), (16, 8609320), (20, 6887456), (31, 4443520), (32, 4304660), (40, 3443728), (53, 2599040), (62, 2221760), (64, 2152330), (80, 1721864), (106, 1299520), (124, 1110880), (128, 1076165), (131, 1051520), (155, 888704), (160, 860932), (212, 649760), (248, 555440), (262, 525760), (265, 519808), (310, 444352), (320, 430466), (424, 324880), (496, 277720), (524, 262880), (530, 259904), (620, 222176), (640, 215233), (655, 210304), (848, 162440), (992, 138860), (1048, 131440), (1060, 129952), (1240, 111088), (1310, 105152), (1643, 83840), (1696, 81220), (1984, 69430), (2096, 65720), (2120, 64976), (2480, 55544), (2620, 52576), (3286, 41920), (3392, 40610), (3968, 34715), (4061, 33920), (4192, 32860), (4240, 32488), (4960, 27772), (5240, 26288), (6572, 20960), (6784, 20305), (6943, 19840), (8122, 16960), (8215, 16768), (8384, 16430), (8480, 16244), (9920, 13886), (10480, 13144)]