138981120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2170

約数の個数: 144

約数和(自身を含む): 470201760

約数和(自身を除く): 331220640

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, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2129, 2176, 2720, 3264, 3840, 4080, 4258, 4352, 5440, 6387, 6528, 8160, 8516, 10645, 10880, 12774, 13056, 16320, 17032, 21290, 21760, 25548, 31935, 32640, 34064, 36193, 42580, 51096, 63870, 65280, 68128, 72386, 85160, 102192, 108579, 127740, 136256, 144772, 170320, 180965, 204384, 217158, 255480, 272512, 289544, 340640, 361930, 408768, 434316, 510960, 542895, 545024, 579088, 681280, 723860, 817536, 868632, 1021920, 1085790, 1158176, 1362560, 1447720, 1635072, 1737264, 2043840, 2171580, 2316352, 2725120, 2895440, 3474528, 4087680, 4343160, 4632704, 5790880, 6949056, 8175360, 8686320, 9265408, 11581760, 13898112, 17372640, 23163520, 27796224, 34745280, 46327040, 69490560, 138981120]

約数ペア:

[(1, 138981120), (2, 69490560), (3, 46327040), (4, 34745280), (5, 27796224), (6, 23163520), (8, 17372640), (10, 13898112), (12, 11581760), (15, 9265408), (16, 8686320), (17, 8175360), (20, 6949056), (24, 5790880), (30, 4632704), (32, 4343160), (34, 4087680), (40, 3474528), (48, 2895440), (51, 2725120), (60, 2316352), (64, 2171580), (68, 2043840), (80, 1737264), (85, 1635072), (96, 1447720), (102, 1362560), (120, 1158176), (128, 1085790), (136, 1021920), (160, 868632), (170, 817536), (192, 723860), (204, 681280), (240, 579088), (255, 545024), (256, 542895), (272, 510960), (320, 434316), (340, 408768), (384, 361930), (408, 340640), (480, 289544), (510, 272512), (544, 255480), (640, 217158), (680, 204384), (768, 180965), (816, 170320), (960, 144772), (1020, 136256), (1088, 127740), (1280, 108579), (1360, 102192), (1632, 85160), (1920, 72386), (2040, 68128), (2129, 65280), (2176, 63870), (2720, 51096), (3264, 42580), (3840, 36193), (4080, 34064), (4258, 32640), (4352, 31935), (5440, 25548), (6387, 21760), (6528, 21290), (8160, 17032), (8516, 16320), (10645, 13056), (10880, 12774)]