20992440960

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{77543}}^1$

素因数の和:77615

約数の個数: 192

約数和(自身を含む): 74032807680

約数和(自身を除く): 53040366720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 128, 141, 144, 160, 180, 188, 192, 235, 240, 282, 288, 320, 360, 376, 384, 423, 470, 480, 564, 576, 640, 705, 720, 752, 846, 940, 960, 1128, 1152, 1410, 1440, 1504, 1692, 1880, 1920, 2115, 2256, 2820, 2880, 3008, 3384, 3760, 4230, 4512, 5640, 5760, 6016, 6768, 7520, 8460, 9024, 11280, 13536, 15040, 16920, 18048, 22560, 27072, 30080, 33840, 45120, 54144, 67680, 77543, 90240, 135360, 155086, 232629, 270720, 310172, 387715, 465258, 620344, 697887, 775430, 930516, 1163145, 1240688, 1395774, 1550860, 1861032, 2326290, 2481376, 2791548, 3101720, 3489435, 3644521, 3722064, 4652580, 4962752, 5583096, 6203440, 6978870, 7289042, 7444128, 9305160, 9925504, 10933563, 11166192, 12406880, 13957740, 14578084, 14888256, 18222605, 18610320, 21867126, 22332384, 24813760, 27915480, 29156168, 29776512, 32800689, 36445210, 37220640, 43734252, 44664768, 49627520, 54667815, 55830960, 58312336, 65601378, 72890420, 74441280, 87468504, 89329536, 109335630, 111661920, 116624672, 131202756, 145780840, 148882560, 164003445, 174937008, 218671260, 223323840, 233249344, 262405512, 291561680, 328006890, 349874016, 437342520, 446647680, 466498688, 524811024, 583123360, 656013780, 699748032, 874685040, 1049622048, 1166246720, 1312027560, 1399496064, 1749370080, 2099244096, 2332493440, 2624055120, 3498740160, 4198488192, 5248110240, 6997480320, 10496220480, 20992440960]

約数ペア:

[(1, 20992440960), (2, 10496220480), (3, 6997480320), (4, 5248110240), (5, 4198488192), (6, 3498740160), (8, 2624055120), (9, 2332493440), (10, 2099244096), (12, 1749370080), (15, 1399496064), (16, 1312027560), (18, 1166246720), (20, 1049622048), (24, 874685040), (30, 699748032), (32, 656013780), (36, 583123360), (40, 524811024), (45, 466498688), (47, 446647680), (48, 437342520), (60, 349874016), (64, 328006890), (72, 291561680), (80, 262405512), (90, 233249344), (94, 223323840), (96, 218671260), (120, 174937008), (128, 164003445), (141, 148882560), (144, 145780840), (160, 131202756), (180, 116624672), (188, 111661920), (192, 109335630), (235, 89329536), (240, 87468504), (282, 74441280), (288, 72890420), (320, 65601378), (360, 58312336), (376, 55830960), (384, 54667815), (423, 49627520), (470, 44664768), (480, 43734252), (564, 37220640), (576, 36445210), (640, 32800689), (705, 29776512), (720, 29156168), (752, 27915480), (846, 24813760), (940, 22332384), (960, 21867126), (1128, 18610320), (1152, 18222605), (1410, 14888256), (1440, 14578084), (1504, 13957740), (1692, 12406880), (1880, 11166192), (1920, 10933563), (2115, 9925504), (2256, 9305160), (2820, 7444128), (2880, 7289042), (3008, 6978870), (3384, 6203440), (3760, 5583096), (4230, 4962752), (4512, 4652580), (5640, 3722064), (5760, 3644521), (6016, 3489435), (6768, 3101720), (7520, 2791548), (8460, 2481376), (9024, 2326290), (11280, 1861032), (13536, 1550860), (15040, 1395774), (16920, 1240688), (18048, 1163145), (22560, 930516), (27072, 775430), (30080, 697887), (33840, 620344), (45120, 465258), (54144, 387715), (67680, 310172), (77543, 270720), (90240, 232629), (135360, 155086)]