128236640

素因数分解:

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

素因数の和:1960

約数の個数: 96

約数和(自身を含む): 352102464

約数和(自身を除く): 223865824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1877, 1952, 2135, 2440, 3416, 3754, 4270, 4880, 6832, 7508, 8540, 9385, 9760, 13139, 13664, 15016, 17080, 18770, 26278, 30032, 34160, 37540, 52556, 60064, 65695, 68320, 75080, 105112, 114497, 131390, 150160, 210224, 228994, 262780, 300320, 420448, 457988, 525560, 572485, 801479, 915976, 1051120, 1144970, 1602958, 1831952, 2102240, 2289940, 3205916, 3663904, 4007395, 4579880, 6411832, 8014790, 9159760, 12823664, 16029580, 18319520, 25647328, 32059160, 64118320, 128236640]

約数ペア:

[(1, 128236640), (2, 64118320), (4, 32059160), (5, 25647328), (7, 18319520), (8, 16029580), (10, 12823664), (14, 9159760), (16, 8014790), (20, 6411832), (28, 4579880), (32, 4007395), (35, 3663904), (40, 3205916), (56, 2289940), (61, 2102240), (70, 1831952), (80, 1602958), (112, 1144970), (122, 1051120), (140, 915976), (160, 801479), (224, 572485), (244, 525560), (280, 457988), (305, 420448), (427, 300320), (488, 262780), (560, 228994), (610, 210224), (854, 150160), (976, 131390), (1120, 114497), (1220, 105112), (1708, 75080), (1877, 68320), (1952, 65695), (2135, 60064), (2440, 52556), (3416, 37540), (3754, 34160), (4270, 30032), (4880, 26278), (6832, 18770), (7508, 17080), (8540, 15016), (9385, 13664), (9760, 13139)]