72063160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 176047200

約数和(自身を除く): 103984040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 997, 1112, 1390, 1807, 1994, 2780, 3614, 3988, 4985, 5560, 7228, 7976, 9035, 9970, 12961, 14456, 18070, 19940, 25922, 36140, 39880, 51844, 64805, 72280, 103688, 129610, 138583, 259220, 277166, 518440, 554332, 692915, 1108664, 1385830, 1801579, 2771660, 3603158, 5543320, 7206316, 9007895, 14412632, 18015790, 36031580, 72063160]

約数ペア:

[(1, 72063160), (2, 36031580), (4, 18015790), (5, 14412632), (8, 9007895), (10, 7206316), (13, 5543320), (20, 3603158), (26, 2771660), (40, 1801579), (52, 1385830), (65, 1108664), (104, 692915), (130, 554332), (139, 518440), (260, 277166), (278, 259220), (520, 138583), (556, 129610), (695, 103688), (997, 72280), (1112, 64805), (1390, 51844), (1807, 39880), (1994, 36140), (2780, 25922), (3614, 19940), (3988, 18070), (4985, 14456), (5560, 12961), (7228, 9970), (7976, 9035)]