15697220728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{1109}}^1$

素因数の和:1445

約数の個数: 128

約数和(自身を含む): 36251712000

約数和(自身を除く): 20554491272

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 251, 266, 371, 424, 502, 532, 742, 1004, 1007, 1064, 1109, 1484, 1757, 2008, 2014, 2218, 2968, 3514, 4028, 4436, 4769, 7028, 7049, 7763, 8056, 8872, 9538, 13303, 14056, 14098, 15526, 19076, 21071, 26606, 28196, 31052, 33383, 38152, 42142, 53212, 56392, 58777, 62104, 66766, 84284, 93121, 106424, 117554, 133532, 147497, 168568, 186242, 235108, 252757, 267064, 278359, 294994, 372484, 411439, 470216, 505514, 556718, 589988, 744968, 822878, 1011028, 1113436, 1116763, 1179976, 1645756, 1769299, 1948513, 2022056, 2226872, 2233526, 3291512, 3538598, 3897026, 4467052, 5288821, 7077196, 7794052, 7817341, 8934104, 10577642, 14154392, 14753027, 15588104, 15634682, 21155284, 29506054, 31269364, 37021747, 42310568, 59012108, 62538728, 74043494, 103271189, 118024216, 148086988, 206542378, 280307513, 296173976, 413084756, 560615026, 826169512, 1121230052, 1962152591, 2242460104, 3924305182, 7848610364, 15697220728]

約数ペア:

[(1, 15697220728), (2, 7848610364), (4, 3924305182), (7, 2242460104), (8, 1962152591), (14, 1121230052), (19, 826169512), (28, 560615026), (38, 413084756), (53, 296173976), (56, 280307513), (76, 206542378), (106, 148086988), (133, 118024216), (152, 103271189), (212, 74043494), (251, 62538728), (266, 59012108), (371, 42310568), (424, 37021747), (502, 31269364), (532, 29506054), (742, 21155284), (1004, 15634682), (1007, 15588104), (1064, 14753027), (1109, 14154392), (1484, 10577642), (1757, 8934104), (2008, 7817341), (2014, 7794052), (2218, 7077196), (2968, 5288821), (3514, 4467052), (4028, 3897026), (4436, 3538598), (4769, 3291512), (7028, 2233526), (7049, 2226872), (7763, 2022056), (8056, 1948513), (8872, 1769299), (9538, 1645756), (13303, 1179976), (14056, 1116763), (14098, 1113436), (15526, 1011028), (19076, 822878), (21071, 744968), (26606, 589988), (28196, 556718), (31052, 505514), (33383, 470216), (38152, 411439), (42142, 372484), (53212, 294994), (56392, 278359), (58777, 267064), (62104, 252757), (66766, 235108), (84284, 186242), (93121, 168568), (106424, 147497), (117554, 133532)]