972772020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491299}}^1$

素因数の和:491325

約数の個数: 72

約数和(自身を含む): 3218997600

約数和(自身を除く): 2246225580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 491299, 982598, 1473897, 1965196, 2456495, 2947794, 4421691, 4912990, 5404289, 5895588, 7369485, 8843382, 9825980, 10808578, 14738970, 16212867, 17686764, 21617156, 22108455, 27021445, 29477940, 32425734, 44216910, 48638601, 54042890, 64851468, 81064335, 88433820, 97277202, 108085780, 162128670, 194554404, 243193005, 324257340, 486386010, 972772020]

約数ペア:

[(1, 972772020), (2, 486386010), (3, 324257340), (4, 243193005), (5, 194554404), (6, 162128670), (9, 108085780), (10, 97277202), (11, 88433820), (12, 81064335), (15, 64851468), (18, 54042890), (20, 48638601), (22, 44216910), (30, 32425734), (33, 29477940), (36, 27021445), (44, 22108455), (45, 21617156), (55, 17686764), (60, 16212867), (66, 14738970), (90, 10808578), (99, 9825980), (110, 8843382), (132, 7369485), (165, 5895588), (180, 5404289), (198, 4912990), (220, 4421691), (330, 2947794), (396, 2456495), (495, 1965196), (660, 1473897), (990, 982598), (1980, 491299)]