156720540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 448487424

約数和(自身を除く): 291766884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 131, 157, 254, 262, 314, 381, 393, 471, 508, 524, 628, 635, 655, 762, 785, 786, 942, 1270, 1310, 1524, 1570, 1572, 1884, 1905, 1965, 2355, 2540, 2620, 3140, 3810, 3930, 4710, 7620, 7860, 9420, 16637, 19939, 20567, 33274, 39878, 41134, 49911, 59817, 61701, 66548, 79756, 82268, 83185, 99695, 99822, 102835, 119634, 123402, 166370, 199390, 199644, 205670, 239268, 246804, 249555, 299085, 308505, 332740, 398780, 411340, 499110, 598170, 617010, 998220, 1196340, 1234020, 2612009, 5224018, 7836027, 10448036, 13060045, 15672054, 26120090, 31344108, 39180135, 52240180, 78360270, 156720540]

約数ペア:

[(1, 156720540), (2, 78360270), (3, 52240180), (4, 39180135), (5, 31344108), (6, 26120090), (10, 15672054), (12, 13060045), (15, 10448036), (20, 7836027), (30, 5224018), (60, 2612009), (127, 1234020), (131, 1196340), (157, 998220), (254, 617010), (262, 598170), (314, 499110), (381, 411340), (393, 398780), (471, 332740), (508, 308505), (524, 299085), (628, 249555), (635, 246804), (655, 239268), (762, 205670), (785, 199644), (786, 199390), (942, 166370), (1270, 123402), (1310, 119634), (1524, 102835), (1570, 99822), (1572, 99695), (1884, 83185), (1905, 82268), (1965, 79756), (2355, 66548), (2540, 61701), (2620, 59817), (3140, 49911), (3810, 41134), (3930, 39878), (4710, 33274), (7620, 20567), (7860, 19939), (9420, 16637)]