291285120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21673}}^1$

素因数の和:21702

約数の個数: 128

約数和(自身を含む): 1061159040

約数和(自身を除く): 769873920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21673, 43346, 65019, 86692, 108365, 130038, 151711, 173384, 216730, 260076, 303422, 325095, 346768, 433460, 455133, 520152, 606844, 650190, 693536, 758555, 866920, 910266, 1040304, 1213688, 1300380, 1387072, 1517110, 1733840, 1820532, 2080608, 2275665, 2427376, 2600760, 2774144, 3034220, 3467680, 3641064, 4161216, 4551330, 4854752, 5201520, 6068440, 6935360, 7282128, 8322432, 9102660, 9709504, 10403040, 12136880, 13870720, 14564256, 18205320, 19419008, 20806080, 24273760, 29128512, 36410640, 41612160, 48547520, 58257024, 72821280, 97095040, 145642560, 291285120]

約数ペア:

[(1, 291285120), (2, 145642560), (3, 97095040), (4, 72821280), (5, 58257024), (6, 48547520), (7, 41612160), (8, 36410640), (10, 29128512), (12, 24273760), (14, 20806080), (15, 19419008), (16, 18205320), (20, 14564256), (21, 13870720), (24, 12136880), (28, 10403040), (30, 9709504), (32, 9102660), (35, 8322432), (40, 7282128), (42, 6935360), (48, 6068440), (56, 5201520), (60, 4854752), (64, 4551330), (70, 4161216), (80, 3641064), (84, 3467680), (96, 3034220), (105, 2774144), (112, 2600760), (120, 2427376), (128, 2275665), (140, 2080608), (160, 1820532), (168, 1733840), (192, 1517110), (210, 1387072), (224, 1300380), (240, 1213688), (280, 1040304), (320, 910266), (336, 866920), (384, 758555), (420, 693536), (448, 650190), (480, 606844), (560, 520152), (640, 455133), (672, 433460), (840, 346768), (896, 325095), (960, 303422), (1120, 260076), (1344, 216730), (1680, 173384), (1920, 151711), (2240, 130038), (2688, 108365), (3360, 86692), (4480, 65019), (6720, 43346), (13440, 21673)]