65716520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 156954240

約数和(自身を除く): 91237720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1171, 1220, 1403, 2342, 2440, 2806, 4684, 5612, 5855, 7015, 9368, 11224, 11710, 14030, 23420, 26933, 28060, 46840, 53866, 56120, 71431, 107732, 134665, 142862, 215464, 269330, 285724, 357155, 538660, 571448, 714310, 1077320, 1428620, 1642913, 2857240, 3285826, 6571652, 8214565, 13143304, 16429130, 32858260, 65716520]

約数ペア:

[(1, 65716520), (2, 32858260), (4, 16429130), (5, 13143304), (8, 8214565), (10, 6571652), (20, 3285826), (23, 2857240), (40, 1642913), (46, 1428620), (61, 1077320), (92, 714310), (115, 571448), (122, 538660), (184, 357155), (230, 285724), (244, 269330), (305, 215464), (460, 142862), (488, 134665), (610, 107732), (920, 71431), (1171, 56120), (1220, 53866), (1403, 46840), (2342, 28060), (2440, 26933), (2806, 23420), (4684, 14030), (5612, 11710), (5855, 11224), (7015, 9368)]