84385980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{66973}}^1$

素因数の和:66995

約数の個数: 72

約数和(自身を含む): 292542432

約数和(自身を除く): 208156452

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, 66973, 133946, 200919, 267892, 334865, 401838, 468811, 602757, 669730, 803676, 937622, 1004595, 1205514, 1339460, 1406433, 1875244, 2009190, 2344055, 2411028, 2812866, 3013785, 4018380, 4219299, 4688110, 5625732, 6027570, 7032165, 8438598, 9376220, 12055140, 14064330, 16877196, 21096495, 28128660, 42192990, 84385980]

約数ペア:

[(1, 84385980), (2, 42192990), (3, 28128660), (4, 21096495), (5, 16877196), (6, 14064330), (7, 12055140), (9, 9376220), (10, 8438598), (12, 7032165), (14, 6027570), (15, 5625732), (18, 4688110), (20, 4219299), (21, 4018380), (28, 3013785), (30, 2812866), (35, 2411028), (36, 2344055), (42, 2009190), (45, 1875244), (60, 1406433), (63, 1339460), (70, 1205514), (84, 1004595), (90, 937622), (105, 803676), (126, 669730), (140, 602757), (180, 468811), (210, 401838), (252, 334865), (315, 267892), (420, 200919), (630, 133946), (1260, 66973)]