121221960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 383201280

約数和(自身を除く): 261979320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 167, 184, 230, 263, 276, 334, 345, 460, 501, 526, 552, 668, 690, 789, 835, 920, 1002, 1052, 1315, 1336, 1380, 1578, 1670, 2004, 2104, 2505, 2630, 2760, 3156, 3340, 3841, 3945, 4008, 5010, 5260, 6049, 6312, 6680, 7682, 7890, 10020, 10520, 11523, 12098, 15364, 15780, 18147, 19205, 20040, 23046, 24196, 30245, 30728, 31560, 36294, 38410, 43921, 46092, 48392, 57615, 60490, 72588, 76820, 87842, 90735, 92184, 115230, 120980, 131763, 145176, 153640, 175684, 181470, 219605, 230460, 241960, 263526, 351368, 362940, 439210, 460920, 527052, 658815, 725880, 878420, 1010183, 1054104, 1317630, 1756840, 2020366, 2635260, 3030549, 4040732, 5050915, 5270520, 6061098, 8081464, 10101830, 12122196, 15152745, 20203660, 24244392, 30305490, 40407320, 60610980, 121221960]

約数ペア:

[(1, 121221960), (2, 60610980), (3, 40407320), (4, 30305490), (5, 24244392), (6, 20203660), (8, 15152745), (10, 12122196), (12, 10101830), (15, 8081464), (20, 6061098), (23, 5270520), (24, 5050915), (30, 4040732), (40, 3030549), (46, 2635260), (60, 2020366), (69, 1756840), (92, 1317630), (115, 1054104), (120, 1010183), (138, 878420), (167, 725880), (184, 658815), (230, 527052), (263, 460920), (276, 439210), (334, 362940), (345, 351368), (460, 263526), (501, 241960), (526, 230460), (552, 219605), (668, 181470), (690, 175684), (789, 153640), (835, 145176), (920, 131763), (1002, 120980), (1052, 115230), (1315, 92184), (1336, 90735), (1380, 87842), (1578, 76820), (1670, 72588), (2004, 60490), (2104, 57615), (2505, 48392), (2630, 46092), (2760, 43921), (3156, 38410), (3340, 36294), (3841, 31560), (3945, 30728), (4008, 30245), (5010, 24196), (5260, 23046), (6049, 20040), (6312, 19205), (6680, 18147), (7682, 15780), (7890, 15364), (10020, 12098), (10520, 11523)]