156640215880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1\times {\mathrm{56827}}^1$

素因数の和:57478

約数の個数: 64

約数和(自身を含む): 355725095040

約数和(自身を除く): 199084879160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 503, 548, 685, 1006, 1096, 1370, 2012, 2515, 2740, 4024, 5030, 5480, 10060, 20120, 56827, 68911, 113654, 137822, 227308, 275644, 284135, 344555, 454616, 551288, 568270, 689110, 1136540, 1378220, 2273080, 2756440, 7785299, 15570598, 28583981, 31141196, 38926495, 57167962, 62282392, 77852990, 114335924, 142919905, 155705980, 228671848, 285839810, 311411960, 571679620, 1143359240, 3916005397, 7832010794, 15664021588, 19580026985, 31328043176, 39160053970, 78320107940, 156640215880]

約数ペア:

[(1, 156640215880), (2, 78320107940), (4, 39160053970), (5, 31328043176), (8, 19580026985), (10, 15664021588), (20, 7832010794), (40, 3916005397), (137, 1143359240), (274, 571679620), (503, 311411960), (548, 285839810), (685, 228671848), (1006, 155705980), (1096, 142919905), (1370, 114335924), (2012, 77852990), (2515, 62282392), (2740, 57167962), (4024, 38926495), (5030, 31141196), (5480, 28583981), (10060, 15570598), (20120, 7785299), (56827, 2756440), (68911, 2273080), (113654, 1378220), (137822, 1136540), (227308, 689110), (275644, 568270), (284135, 551288), (344555, 454616)]