30307280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 75233280

約数和(自身を除く): 44926000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 157, 190, 254, 304, 314, 380, 508, 628, 635, 760, 785, 1016, 1256, 1270, 1520, 1570, 2032, 2413, 2512, 2540, 2983, 3140, 4826, 5080, 5966, 6280, 9652, 10160, 11932, 12065, 12560, 14915, 19304, 19939, 23864, 24130, 29830, 38608, 39878, 47728, 48260, 59660, 79756, 96520, 99695, 119320, 159512, 193040, 199390, 238640, 319024, 378841, 398780, 757682, 797560, 1515364, 1595120, 1894205, 3030728, 3788410, 6061456, 7576820, 15153640, 30307280]

約数ペア:

[(1, 30307280), (2, 15153640), (4, 7576820), (5, 6061456), (8, 3788410), (10, 3030728), (16, 1894205), (19, 1595120), (20, 1515364), (38, 797560), (40, 757682), (76, 398780), (80, 378841), (95, 319024), (127, 238640), (152, 199390), (157, 193040), (190, 159512), (254, 119320), (304, 99695), (314, 96520), (380, 79756), (508, 59660), (628, 48260), (635, 47728), (760, 39878), (785, 38608), (1016, 29830), (1256, 24130), (1270, 23864), (1520, 19939), (1570, 19304), (2032, 14915), (2413, 12560), (2512, 12065), (2540, 11932), (2983, 10160), (3140, 9652), (4826, 6280), (5080, 5966)]