128697120

素因数分解:

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

素因数の和:117

約数の個数: 192

約数和(自身を含む): 465454080

約数和(自身を除く): 336756960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 961, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 1922, 2160, 2232, 2480, 2790, 2883, 2976, 3348, 3720, 3844, 4185, 4320, 4464, 4805, 4960, 5580, 5766, 6696, 7440, 7688, 8370, 8649, 8928, 9610, 11160, 11532, 13392, 14415, 14880, 15376, 16740, 17298, 19220, 22320, 23064, 25947, 26784, 28830, 29791, 30752, 33480, 34596, 38440, 43245, 44640, 46128, 51894, 57660, 59582, 66960, 69192, 76880, 86490, 89373, 92256, 103788, 115320, 119164, 129735, 133920, 138384, 148955, 153760, 172980, 178746, 207576, 230640, 238328, 259470, 268119, 276768, 297910, 345960, 357492, 415152, 446865, 461280, 476656, 518940, 536238, 595820, 691920, 714984, 804357, 830304, 893730, 953312, 1037880, 1072476, 1191640, 1340595, 1383840, 1429968, 1608714, 1787460, 2075760, 2144952, 2383280, 2681190, 2859936, 3217428, 3574920, 4021785, 4151520, 4289904, 4766560, 5362380, 6434856, 7149840, 8043570, 8579808, 10724760, 12869712, 14299680, 16087140, 21449520, 25739424, 32174280, 42899040, 64348560, 128697120]

約数ペア:

[(1, 128697120), (2, 64348560), (3, 42899040), (4, 32174280), (5, 25739424), (6, 21449520), (8, 16087140), (9, 14299680), (10, 12869712), (12, 10724760), (15, 8579808), (16, 8043570), (18, 7149840), (20, 6434856), (24, 5362380), (27, 4766560), (30, 4289904), (31, 4151520), (32, 4021785), (36, 3574920), (40, 3217428), (45, 2859936), (48, 2681190), (54, 2383280), (60, 2144952), (62, 2075760), (72, 1787460), (80, 1608714), (90, 1429968), (93, 1383840), (96, 1340595), (108, 1191640), (120, 1072476), (124, 1037880), (135, 953312), (144, 893730), (155, 830304), (160, 804357), (180, 714984), (186, 691920), (216, 595820), (240, 536238), (248, 518940), (270, 476656), (279, 461280), (288, 446865), (310, 415152), (360, 357492), (372, 345960), (432, 297910), (465, 276768), (480, 268119), (496, 259470), (540, 238328), (558, 230640), (620, 207576), (720, 178746), (744, 172980), (837, 153760), (864, 148955), (930, 138384), (961, 133920), (992, 129735), (1080, 119164), (1116, 115320), (1240, 103788), (1395, 92256), (1440, 89373), (1488, 86490), (1674, 76880), (1860, 69192), (1922, 66960), (2160, 59582), (2232, 57660), (2480, 51894), (2790, 46128), (2883, 44640), (2976, 43245), (3348, 38440), (3720, 34596), (3844, 33480), (4185, 30752), (4320, 29791), (4464, 28830), (4805, 26784), (4960, 25947), (5580, 23064), (5766, 22320), (6696, 19220), (7440, 17298), (7688, 16740), (8370, 15376), (8649, 14880), (8928, 14415), (9610, 13392), (11160, 11532)]