123211620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97787}}^1$

素因数の和:97809

約数の個数: 72

約数和(自身を含む): 427137984

約数和(自身を除く): 303926364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 97787, 195574, 293361, 391148, 488935, 586722, 684509, 880083, 977870, 1173444, 1369018, 1466805, 1760166, 1955740, 2053527, 2738036, 2933610, 3422545, 3520332, 4107054, 4400415, 5867220, 6160581, 6845090, 8214108, 8800830, 10267635, 12321162, 13690180, 17601660, 20535270, 24642324, 30802905, 41070540, 61605810, 123211620]

約数ペア:

[(1, 123211620), (2, 61605810), (3, 41070540), (4, 30802905), (5, 24642324), (6, 20535270), (7, 17601660), (9, 13690180), (10, 12321162), (12, 10267635), (14, 8800830), (15, 8214108), (18, 6845090), (20, 6160581), (21, 5867220), (28, 4400415), (30, 4107054), (35, 3520332), (36, 3422545), (42, 2933610), (45, 2738036), (60, 2053527), (63, 1955740), (70, 1760166), (84, 1466805), (90, 1369018), (105, 1173444), (126, 977870), (140, 880083), (180, 684509), (210, 586722), (252, 488935), (315, 391148), (420, 293361), (630, 195574), (1260, 97787)]