15719820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 46296768

約数和(自身を除く): 30576948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 73, 74, 97, 111, 146, 148, 185, 194, 219, 222, 291, 292, 365, 370, 388, 438, 444, 485, 555, 582, 730, 740, 876, 970, 1095, 1110, 1164, 1455, 1460, 1940, 2190, 2220, 2701, 2910, 3589, 4380, 5402, 5820, 7081, 7178, 8103, 10767, 10804, 13505, 14162, 14356, 16206, 17945, 21243, 21534, 27010, 28324, 32412, 35405, 35890, 40515, 42486, 43068, 53835, 54020, 70810, 71780, 81030, 84972, 106215, 107670, 141620, 162060, 212430, 215340, 261997, 424860, 523994, 785991, 1047988, 1309985, 1571982, 2619970, 3143964, 3929955, 5239940, 7859910, 15719820]

約数ペア:

[(1, 15719820), (2, 7859910), (3, 5239940), (4, 3929955), (5, 3143964), (6, 2619970), (10, 1571982), (12, 1309985), (15, 1047988), (20, 785991), (30, 523994), (37, 424860), (60, 261997), (73, 215340), (74, 212430), (97, 162060), (111, 141620), (146, 107670), (148, 106215), (185, 84972), (194, 81030), (219, 71780), (222, 70810), (291, 54020), (292, 53835), (365, 43068), (370, 42486), (388, 40515), (438, 35890), (444, 35405), (485, 32412), (555, 28324), (582, 27010), (730, 21534), (740, 21243), (876, 17945), (970, 16206), (1095, 14356), (1110, 14162), (1164, 13505), (1455, 10804), (1460, 10767), (1940, 8103), (2190, 7178), (2220, 7081), (2701, 5820), (2910, 5402), (3589, 4380)]