312916480

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3997

約数の個数: 80

約数和(自身を含む): 774664704

約数和(自身を除く): 461748224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3943, 3968, 4960, 7886, 7936, 9920, 15772, 15872, 19715, 19840, 31544, 39430, 39680, 63088, 78860, 79360, 122233, 126176, 157720, 244466, 252352, 315440, 488932, 504704, 611165, 630880, 977864, 1009408, 1222330, 1261760, 1955728, 2018816, 2444660, 2523520, 3911456, 4889320, 5047040, 7822912, 9778640, 10094080, 15645824, 19557280, 31291648, 39114560, 62583296, 78229120, 156458240, 312916480]

約数ペア:

[(1, 312916480), (2, 156458240), (4, 78229120), (5, 62583296), (8, 39114560), (10, 31291648), (16, 19557280), (20, 15645824), (31, 10094080), (32, 9778640), (40, 7822912), (62, 5047040), (64, 4889320), (80, 3911456), (124, 2523520), (128, 2444660), (155, 2018816), (160, 1955728), (248, 1261760), (256, 1222330), (310, 1009408), (320, 977864), (496, 630880), (512, 611165), (620, 504704), (640, 488932), (992, 315440), (1240, 252352), (1280, 244466), (1984, 157720), (2480, 126176), (2560, 122233), (3943, 79360), (3968, 78860), (4960, 63088), (7886, 39680), (7936, 39430), (9920, 31544), (15772, 19840), (15872, 19715)]