31889280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1016

約数の個数: 128

約数和(自身を含む): 107736480

約数和(自身を除く): 75847200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 977, 1020, 1088, 1360, 1632, 1920, 1954, 2040, 2176, 2720, 2931, 3264, 3908, 4080, 4885, 5440, 5862, 6528, 7816, 8160, 9770, 10880, 11724, 14655, 15632, 16320, 16609, 19540, 23448, 29310, 31264, 32640, 33218, 39080, 46896, 49827, 58620, 62528, 66436, 78160, 83045, 93792, 99654, 117240, 125056, 132872, 156320, 166090, 187584, 199308, 234480, 249135, 265744, 312640, 332180, 375168, 398616, 468960, 498270, 531488, 625280, 664360, 797232, 937920, 996540, 1062976, 1328720, 1594464, 1875840, 1993080, 2125952, 2657440, 3188928, 3986160, 5314880, 6377856, 7972320, 10629760, 15944640, 31889280]

約数ペア:

[(1, 31889280), (2, 15944640), (3, 10629760), (4, 7972320), (5, 6377856), (6, 5314880), (8, 3986160), (10, 3188928), (12, 2657440), (15, 2125952), (16, 1993080), (17, 1875840), (20, 1594464), (24, 1328720), (30, 1062976), (32, 996540), (34, 937920), (40, 797232), (48, 664360), (51, 625280), (60, 531488), (64, 498270), (68, 468960), (80, 398616), (85, 375168), (96, 332180), (102, 312640), (120, 265744), (128, 249135), (136, 234480), (160, 199308), (170, 187584), (192, 166090), (204, 156320), (240, 132872), (255, 125056), (272, 117240), (320, 99654), (340, 93792), (384, 83045), (408, 78160), (480, 66436), (510, 62528), (544, 58620), (640, 49827), (680, 46896), (816, 39080), (960, 33218), (977, 32640), (1020, 31264), (1088, 29310), (1360, 23448), (1632, 19540), (1920, 16609), (1954, 16320), (2040, 15632), (2176, 14655), (2720, 11724), (2931, 10880), (3264, 9770), (3908, 8160), (4080, 7816), (4885, 6528), (5440, 5862)]