21872640

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 70776720

約数和(自身を除く): 48904080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 256, 267, 320, 356, 384, 445, 480, 512, 534, 640, 712, 768, 890, 960, 1024, 1068, 1280, 1335, 1424, 1536, 1780, 1920, 2048, 2136, 2560, 2670, 2848, 3072, 3560, 3840, 4096, 4272, 5120, 5340, 5696, 6144, 7120, 7680, 8192, 8544, 10240, 10680, 11392, 12288, 14240, 15360, 16384, 17088, 20480, 21360, 22784, 24576, 28480, 30720, 34176, 40960, 42720, 45568, 49152, 56960, 61440, 68352, 81920, 85440, 91136, 113920, 122880, 136704, 170880, 182272, 227840, 245760, 273408, 341760, 364544, 455680, 546816, 683520, 729088, 911360, 1093632, 1367040, 1458176, 1822720, 2187264, 2734080, 3645440, 4374528, 5468160, 7290880, 10936320, 21872640]

約数ペア:

[(1, 21872640), (2, 10936320), (3, 7290880), (4, 5468160), (5, 4374528), (6, 3645440), (8, 2734080), (10, 2187264), (12, 1822720), (15, 1458176), (16, 1367040), (20, 1093632), (24, 911360), (30, 729088), (32, 683520), (40, 546816), (48, 455680), (60, 364544), (64, 341760), (80, 273408), (89, 245760), (96, 227840), (120, 182272), (128, 170880), (160, 136704), (178, 122880), (192, 113920), (240, 91136), (256, 85440), (267, 81920), (320, 68352), (356, 61440), (384, 56960), (445, 49152), (480, 45568), (512, 42720), (534, 40960), (640, 34176), (712, 30720), (768, 28480), (890, 24576), (960, 22784), (1024, 21360), (1068, 20480), (1280, 17088), (1335, 16384), (1424, 15360), (1536, 14240), (1780, 12288), (1920, 11392), (2048, 10680), (2136, 10240), (2560, 8544), (2670, 8192), (2848, 7680), (3072, 7120), (3560, 6144), (3840, 5696), (4096, 5340), (4272, 5120)]