181971240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4503

約数の個数: 128

約数和(自身を含む): 614891520

約数和(自身を除く): 432920280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 4447, 5115, 6820, 8184, 8894, 10230, 13341, 13640, 17788, 20460, 22235, 26682, 35576, 40920, 44470, 48917, 53364, 66705, 88940, 97834, 106728, 133410, 137857, 146751, 177880, 195668, 244585, 266820, 275714, 293502, 391336, 413571, 489170, 533640, 551428, 587004, 689285, 733755, 827142, 978340, 1102856, 1174008, 1378570, 1467510, 1516427, 1654284, 1956680, 2067855, 2757140, 2935020, 3032854, 3308568, 4135710, 4549281, 5514280, 5870040, 6065708, 7582135, 8271420, 9098562, 12131416, 15164270, 16542840, 18197124, 22746405, 30328540, 36394248, 45492810, 60657080, 90985620, 181971240]

約数ペア:

[(1, 181971240), (2, 90985620), (3, 60657080), (4, 45492810), (5, 36394248), (6, 30328540), (8, 22746405), (10, 18197124), (11, 16542840), (12, 15164270), (15, 12131416), (20, 9098562), (22, 8271420), (24, 7582135), (30, 6065708), (31, 5870040), (33, 5514280), (40, 4549281), (44, 4135710), (55, 3308568), (60, 3032854), (62, 2935020), (66, 2757140), (88, 2067855), (93, 1956680), (110, 1654284), (120, 1516427), (124, 1467510), (132, 1378570), (155, 1174008), (165, 1102856), (186, 978340), (220, 827142), (248, 733755), (264, 689285), (310, 587004), (330, 551428), (341, 533640), (372, 489170), (440, 413571), (465, 391336), (620, 293502), (660, 275714), (682, 266820), (744, 244585), (930, 195668), (1023, 177880), (1240, 146751), (1320, 137857), (1364, 133410), (1705, 106728), (1860, 97834), (2046, 88940), (2728, 66705), (3410, 53364), (3720, 48917), (4092, 44470), (4447, 40920), (5115, 35576), (6820, 26682), (8184, 22235), (8894, 20460), (10230, 17788), (13341, 13640)]