245242240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 620421120

約数和(自身を除く): 375178880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 155, 160, 188, 235, 248, 263, 310, 320, 376, 470, 496, 526, 620, 640, 752, 940, 992, 1052, 1240, 1315, 1457, 1504, 1880, 1984, 2104, 2480, 2630, 2914, 3008, 3760, 3968, 4208, 4960, 5260, 5828, 6016, 7285, 7520, 8153, 8416, 9920, 10520, 11656, 12361, 14570, 15040, 16306, 16832, 19840, 21040, 23312, 24722, 29140, 30080, 32612, 33664, 40765, 42080, 46624, 49444, 58280, 61805, 65224, 81530, 84160, 93248, 98888, 116560, 123610, 130448, 163060, 168320, 186496, 197776, 233120, 247220, 260896, 326120, 383191, 395552, 466240, 494440, 521792, 652240, 766382, 791104, 932480, 988880, 1043584, 1304480, 1532764, 1582208, 1915955, 1977760, 2608960, 3065528, 3831910, 3955520, 5217920, 6131056, 7663820, 7911040, 12262112, 15327640, 24524224, 30655280, 49048448, 61310560, 122621120, 245242240]

約数ペア:

[(1, 245242240), (2, 122621120), (4, 61310560), (5, 49048448), (8, 30655280), (10, 24524224), (16, 15327640), (20, 12262112), (31, 7911040), (32, 7663820), (40, 6131056), (47, 5217920), (62, 3955520), (64, 3831910), (80, 3065528), (94, 2608960), (124, 1977760), (128, 1915955), (155, 1582208), (160, 1532764), (188, 1304480), (235, 1043584), (248, 988880), (263, 932480), (310, 791104), (320, 766382), (376, 652240), (470, 521792), (496, 494440), (526, 466240), (620, 395552), (640, 383191), (752, 326120), (940, 260896), (992, 247220), (1052, 233120), (1240, 197776), (1315, 186496), (1457, 168320), (1504, 163060), (1880, 130448), (1984, 123610), (2104, 116560), (2480, 98888), (2630, 93248), (2914, 84160), (3008, 81530), (3760, 65224), (3968, 61805), (4208, 58280), (4960, 49444), (5260, 46624), (5828, 42080), (6016, 40765), (7285, 33664), (7520, 32612), (8153, 30080), (8416, 29140), (9920, 24722), (10520, 23312), (11656, 21040), (12361, 19840), (14570, 16832), (15040, 16306)]