1661792640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6607}}^1$

素因数の和:6760

約数の個数: 128

約数和(自身を含む): 5338206720

約数和(自身を除く): 3676414080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 524, 640, 655, 786, 960, 1048, 1310, 1572, 1920, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 6607, 7860, 8384, 10480, 12576, 13214, 15720, 16768, 19821, 20960, 25152, 26428, 31440, 33035, 39642, 41920, 50304, 52856, 62880, 66070, 79284, 83840, 99105, 105712, 125760, 132140, 158568, 198210, 211424, 251520, 264280, 317136, 396420, 422848, 528560, 634272, 792840, 845696, 865517, 1057120, 1268544, 1585680, 1731034, 2114240, 2537088, 2596551, 3171360, 3462068, 4228480, 4327585, 5193102, 6342720, 6924136, 8655170, 10386204, 12685440, 12982755, 13848272, 17310340, 20772408, 25965510, 27696544, 34620680, 41544816, 51931020, 55393088, 69241360, 83089632, 103862040, 110786176, 138482720, 166179264, 207724080, 276965440, 332358528, 415448160, 553930880, 830896320, 1661792640]

約数ペア:

[(1, 1661792640), (2, 830896320), (3, 553930880), (4, 415448160), (5, 332358528), (6, 276965440), (8, 207724080), (10, 166179264), (12, 138482720), (15, 110786176), (16, 103862040), (20, 83089632), (24, 69241360), (30, 55393088), (32, 51931020), (40, 41544816), (48, 34620680), (60, 27696544), (64, 25965510), (80, 20772408), (96, 17310340), (120, 13848272), (128, 12982755), (131, 12685440), (160, 10386204), (192, 8655170), (240, 6924136), (262, 6342720), (320, 5193102), (384, 4327585), (393, 4228480), (480, 3462068), (524, 3171360), (640, 2596551), (655, 2537088), (786, 2114240), (960, 1731034), (1048, 1585680), (1310, 1268544), (1572, 1057120), (1920, 865517), (1965, 845696), (2096, 792840), (2620, 634272), (3144, 528560), (3930, 422848), (4192, 396420), (5240, 317136), (6288, 264280), (6607, 251520), (7860, 211424), (8384, 198210), (10480, 158568), (12576, 132140), (13214, 125760), (15720, 105712), (16768, 99105), (19821, 83840), (20960, 79284), (25152, 66070), (26428, 62880), (31440, 52856), (33035, 50304), (39642, 41920)]