149977040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 360121296

約数和(自身を除く): 210144256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 73, 80, 122, 146, 244, 292, 305, 365, 421, 488, 584, 610, 730, 842, 976, 1168, 1220, 1460, 1684, 2105, 2440, 2920, 3368, 4210, 4453, 4880, 5840, 6736, 8420, 8906, 16840, 17812, 22265, 25681, 30733, 33680, 35624, 44530, 51362, 61466, 71248, 89060, 102724, 122932, 128405, 153665, 178120, 205448, 245864, 256810, 307330, 356240, 410896, 491728, 513620, 614660, 1027240, 1229320, 1874713, 2054480, 2458640, 3749426, 7498852, 9373565, 14997704, 18747130, 29995408, 37494260, 74988520, 149977040]

約数ペア:

[(1, 149977040), (2, 74988520), (4, 37494260), (5, 29995408), (8, 18747130), (10, 14997704), (16, 9373565), (20, 7498852), (40, 3749426), (61, 2458640), (73, 2054480), (80, 1874713), (122, 1229320), (146, 1027240), (244, 614660), (292, 513620), (305, 491728), (365, 410896), (421, 356240), (488, 307330), (584, 256810), (610, 245864), (730, 205448), (842, 178120), (976, 153665), (1168, 128405), (1220, 122932), (1460, 102724), (1684, 89060), (2105, 71248), (2440, 61466), (2920, 51362), (3368, 44530), (4210, 35624), (4453, 33680), (4880, 30733), (5840, 25681), (6736, 22265), (8420, 17812), (8906, 16840)]