307857280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 775526400

約数和(自身を除く): 467669120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 263, 295, 310, 320, 472, 496, 526, 590, 620, 640, 944, 992, 1052, 1180, 1240, 1315, 1829, 1888, 1984, 2104, 2360, 2480, 2630, 3658, 3776, 3968, 4208, 4720, 4960, 5260, 7316, 7552, 8153, 8416, 9145, 9440, 9920, 10520, 14632, 15517, 16306, 16832, 18290, 18880, 19840, 21040, 29264, 31034, 32612, 33664, 36580, 37760, 40765, 42080, 58528, 62068, 65224, 73160, 77585, 81530, 84160, 117056, 124136, 130448, 146320, 155170, 163060, 168320, 234112, 248272, 260896, 292640, 310340, 326120, 481027, 496544, 521792, 585280, 620680, 652240, 962054, 993088, 1043584, 1170560, 1241360, 1304480, 1924108, 1986176, 2405135, 2482720, 2608960, 3848216, 4810270, 4965440, 5217920, 7696432, 9620540, 9930880, 15392864, 19241080, 30785728, 38482160, 61571456, 76964320, 153928640, 307857280]

約数ペア:

[(1, 307857280), (2, 153928640), (4, 76964320), (5, 61571456), (8, 38482160), (10, 30785728), (16, 19241080), (20, 15392864), (31, 9930880), (32, 9620540), (40, 7696432), (59, 5217920), (62, 4965440), (64, 4810270), (80, 3848216), (118, 2608960), (124, 2482720), (128, 2405135), (155, 1986176), (160, 1924108), (236, 1304480), (248, 1241360), (263, 1170560), (295, 1043584), (310, 993088), (320, 962054), (472, 652240), (496, 620680), (526, 585280), (590, 521792), (620, 496544), (640, 481027), (944, 326120), (992, 310340), (1052, 292640), (1180, 260896), (1240, 248272), (1315, 234112), (1829, 168320), (1888, 163060), (1984, 155170), (2104, 146320), (2360, 130448), (2480, 124136), (2630, 117056), (3658, 84160), (3776, 81530), (3968, 77585), (4208, 73160), (4720, 65224), (4960, 62068), (5260, 58528), (7316, 42080), (7552, 40765), (8153, 37760), (8416, 36580), (9145, 33664), (9440, 32612), (9920, 31034), (10520, 29264), (14632, 21040), (15517, 19840), (16306, 18880), (16832, 18290)]