78229120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3993

約数の個数: 64

約数和(自身を含む): 193098240

約数和(自身を除く): 114869120

約数列:

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

約数ペア:

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