20440320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5323}}^1$

素因数の和:5347

約数の個数: 72

約数和(自身を含む): 65293536

約数和(自身を除く): 44853216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5323, 10646, 15969, 21292, 26615, 31938, 42584, 53230, 63876, 79845, 85168, 106460, 127752, 159690, 170336, 212920, 255504, 319380, 340672, 425840, 511008, 638760, 681344, 851680, 1022016, 1277520, 1362688, 1703360, 2044032, 2555040, 3406720, 4088064, 5110080, 6813440, 10220160, 20440320]

約数ペア:

[(1, 20440320), (2, 10220160), (3, 6813440), (4, 5110080), (5, 4088064), (6, 3406720), (8, 2555040), (10, 2044032), (12, 1703360), (15, 1362688), (16, 1277520), (20, 1022016), (24, 851680), (30, 681344), (32, 638760), (40, 511008), (48, 425840), (60, 340672), (64, 319380), (80, 255504), (96, 212920), (120, 170336), (128, 159690), (160, 127752), (192, 106460), (240, 85168), (256, 79845), (320, 63876), (384, 53230), (480, 42584), (640, 31938), (768, 26615), (960, 21292), (1280, 15969), (1920, 10646), (3840, 5323)]