2491690720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{727}}^1$

素因数の和:1464

約数の個数: 96

約数和(自身を含む): 6093674496

約数和(自身を除く): 3601983776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 691, 727, 992, 1240, 1382, 1454, 2480, 2764, 2908, 3455, 3635, 4960, 5528, 5816, 6910, 7270, 11056, 11632, 13820, 14540, 21421, 22112, 22537, 23264, 27640, 29080, 42842, 45074, 55280, 58160, 85684, 90148, 107105, 110560, 112685, 116320, 171368, 180296, 214210, 225370, 342736, 360592, 428420, 450740, 502357, 685472, 721184, 856840, 901480, 1004714, 1713680, 1802960, 2009428, 2511785, 3427360, 3605920, 4018856, 5023570, 8037712, 10047140, 15573067, 16075424, 20094280, 31146134, 40188560, 62292268, 77865335, 80377120, 124584536, 155730670, 249169072, 311461340, 498338144, 622922680, 1245845360, 2491690720]

約数ペア:

[(1, 2491690720), (2, 1245845360), (4, 622922680), (5, 498338144), (8, 311461340), (10, 249169072), (16, 155730670), (20, 124584536), (31, 80377120), (32, 77865335), (40, 62292268), (62, 40188560), (80, 31146134), (124, 20094280), (155, 16075424), (160, 15573067), (248, 10047140), (310, 8037712), (496, 5023570), (620, 4018856), (691, 3605920), (727, 3427360), (992, 2511785), (1240, 2009428), (1382, 1802960), (1454, 1713680), (2480, 1004714), (2764, 901480), (2908, 856840), (3455, 721184), (3635, 685472), (4960, 502357), (5528, 450740), (5816, 428420), (6910, 360592), (7270, 342736), (11056, 225370), (11632, 214210), (13820, 180296), (14540, 171368), (21421, 116320), (22112, 112685), (22537, 110560), (23264, 107105), (27640, 90148), (29080, 85684), (42842, 58160), (45074, 55280)]