64118320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 173256768

約数和(自身を除く): 109138448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 1877, 2135, 2440, 3416, 3754, 4270, 4880, 6832, 7508, 8540, 9385, 13139, 15016, 17080, 18770, 26278, 30032, 34160, 37540, 52556, 65695, 75080, 105112, 114497, 131390, 150160, 210224, 228994, 262780, 457988, 525560, 572485, 801479, 915976, 1051120, 1144970, 1602958, 1831952, 2289940, 3205916, 4007395, 4579880, 6411832, 8014790, 9159760, 12823664, 16029580, 32059160, 64118320]

約数ペア:

[(1, 64118320), (2, 32059160), (4, 16029580), (5, 12823664), (7, 9159760), (8, 8014790), (10, 6411832), (14, 4579880), (16, 4007395), (20, 3205916), (28, 2289940), (35, 1831952), (40, 1602958), (56, 1144970), (61, 1051120), (70, 915976), (80, 801479), (112, 572485), (122, 525560), (140, 457988), (244, 262780), (280, 228994), (305, 210224), (427, 150160), (488, 131390), (560, 114497), (610, 105112), (854, 75080), (976, 65695), (1220, 52556), (1708, 37540), (1877, 34160), (2135, 30032), (2440, 26278), (3416, 18770), (3754, 17080), (4270, 15016), (4880, 13139), (6832, 9385), (7508, 8540)]