80219490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2123

約数の個数: 64

約数和(自身を含む): 209454336

約数和(自身を除く): 129234846

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 103, 130, 195, 206, 309, 390, 515, 618, 1030, 1339, 1545, 1997, 2678, 3090, 3994, 4017, 5991, 6695, 8034, 9985, 11982, 13390, 19970, 20085, 25961, 29955, 40170, 51922, 59910, 77883, 129805, 155766, 205691, 259610, 389415, 411382, 617073, 778830, 1028455, 1234146, 2056910, 2673983, 3085365, 5347966, 6170730, 8021949, 13369915, 16043898, 26739830, 40109745, 80219490]

約数ペア:

[(1, 80219490), (2, 40109745), (3, 26739830), (5, 16043898), (6, 13369915), (10, 8021949), (13, 6170730), (15, 5347966), (26, 3085365), (30, 2673983), (39, 2056910), (65, 1234146), (78, 1028455), (103, 778830), (130, 617073), (195, 411382), (206, 389415), (309, 259610), (390, 205691), (515, 155766), (618, 129805), (1030, 77883), (1339, 59910), (1545, 51922), (1997, 40170), (2678, 29955), (3090, 25961), (3994, 20085), (4017, 19970), (5991, 13390), (6695, 11982), (8034, 9985)]