81509400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{6469}}^1$

素因数の和:6498

約数の個数: 144

約数和(自身を含む): 312889200

約数和(自身を除く): 231379800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 6469, 12600, 12938, 19407, 25876, 32345, 38814, 45283, 51752, 58221, 64690, 77628, 90566, 97035, 116442, 129380, 135849, 155256, 161725, 181132, 194070, 226415, 232884, 258760, 271698, 291105, 323450, 362264, 388140, 407547, 452830, 465768, 485175, 543396, 582210, 646900, 679245, 776280, 815094, 905660, 970350, 1086792, 1132075, 1164420, 1293800, 1358490, 1455525, 1630188, 1811320, 1940700, 2037735, 2264150, 2328840, 2716980, 2911050, 3260376, 3396225, 3881400, 4075470, 4528300, 5433960, 5822100, 6792450, 8150940, 9056600, 10188675, 11644200, 13584900, 16301880, 20377350, 27169800, 40754700, 81509400]

約数ペア:

[(1, 81509400), (2, 40754700), (3, 27169800), (4, 20377350), (5, 16301880), (6, 13584900), (7, 11644200), (8, 10188675), (9, 9056600), (10, 8150940), (12, 6792450), (14, 5822100), (15, 5433960), (18, 4528300), (20, 4075470), (21, 3881400), (24, 3396225), (25, 3260376), (28, 2911050), (30, 2716980), (35, 2328840), (36, 2264150), (40, 2037735), (42, 1940700), (45, 1811320), (50, 1630188), (56, 1455525), (60, 1358490), (63, 1293800), (70, 1164420), (72, 1132075), (75, 1086792), (84, 970350), (90, 905660), (100, 815094), (105, 776280), (120, 679245), (126, 646900), (140, 582210), (150, 543396), (168, 485175), (175, 465768), (180, 452830), (200, 407547), (210, 388140), (225, 362264), (252, 323450), (280, 291105), (300, 271698), (315, 258760), (350, 232884), (360, 226415), (420, 194070), (450, 181132), (504, 161725), (525, 155256), (600, 135849), (630, 129380), (700, 116442), (840, 97035), (900, 90566), (1050, 77628), (1260, 64690), (1400, 58221), (1575, 51752), (1800, 45283), (2100, 38814), (2520, 32345), (3150, 25876), (4200, 19407), (6300, 12938), (6469, 12600)]