205510920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24121}}^1$

素因数の和:24206

約数の個数: 64

約数和(自身を含む): 625242240

約数和(自身を除く): 419731320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 24121, 48242, 72363, 96484, 120605, 144726, 192968, 241210, 289452, 361815, 482420, 578904, 723630, 964840, 1447260, 1712591, 2894520, 3425182, 5137773, 6850364, 8562955, 10275546, 13700728, 17125910, 20551092, 25688865, 34251820, 41102184, 51377730, 68503640, 102755460, 205510920]

約数ペア:

[(1, 205510920), (2, 102755460), (3, 68503640), (4, 51377730), (5, 41102184), (6, 34251820), (8, 25688865), (10, 20551092), (12, 17125910), (15, 13700728), (20, 10275546), (24, 8562955), (30, 6850364), (40, 5137773), (60, 3425182), (71, 2894520), (120, 1712591), (142, 1447260), (213, 964840), (284, 723630), (355, 578904), (426, 482420), (568, 361815), (710, 289452), (852, 241210), (1065, 192968), (1420, 144726), (1704, 120605), (2130, 96484), (2840, 72363), (4260, 48242), (8520, 24121)]