31220800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 168

約数和(自身を含む): 88188800

約数和(自身を除く): 56968000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 79, 80, 95, 100, 104, 130, 152, 158, 160, 190, 200, 208, 247, 260, 304, 316, 320, 325, 380, 395, 400, 416, 475, 494, 520, 608, 632, 650, 760, 790, 800, 832, 950, 988, 1027, 1040, 1216, 1235, 1264, 1300, 1501, 1520, 1580, 1600, 1900, 1975, 1976, 2054, 2080, 2470, 2528, 2600, 3002, 3040, 3160, 3800, 3950, 3952, 4108, 4160, 4940, 5056, 5135, 5200, 6004, 6080, 6175, 6320, 7505, 7600, 7900, 7904, 8216, 9880, 10270, 10400, 12008, 12350, 12640, 15010, 15200, 15800, 15808, 16432, 19513, 19760, 20540, 20800, 24016, 24700, 25280, 25675, 30020, 30400, 31600, 32864, 37525, 39026, 39520, 41080, 48032, 49400, 51350, 60040, 63200, 65728, 75050, 78052, 79040, 82160, 96064, 97565, 98800, 102700, 120080, 126400, 150100, 156104, 164320, 195130, 197600, 205400, 240160, 300200, 312208, 328640, 390260, 395200, 410800, 480320, 487825, 600400, 624416, 780520, 821600, 975650, 1200800, 1248832, 1561040, 1643200, 1951300, 2401600, 3122080, 3902600, 6244160, 7805200, 15610400, 31220800]

約数ペア:

[(1, 31220800), (2, 15610400), (4, 7805200), (5, 6244160), (8, 3902600), (10, 3122080), (13, 2401600), (16, 1951300), (19, 1643200), (20, 1561040), (25, 1248832), (26, 1200800), (32, 975650), (38, 821600), (40, 780520), (50, 624416), (52, 600400), (64, 487825), (65, 480320), (76, 410800), (79, 395200), (80, 390260), (95, 328640), (100, 312208), (104, 300200), (130, 240160), (152, 205400), (158, 197600), (160, 195130), (190, 164320), (200, 156104), (208, 150100), (247, 126400), (260, 120080), (304, 102700), (316, 98800), (320, 97565), (325, 96064), (380, 82160), (395, 79040), (400, 78052), (416, 75050), (475, 65728), (494, 63200), (520, 60040), (608, 51350), (632, 49400), (650, 48032), (760, 41080), (790, 39520), (800, 39026), (832, 37525), (950, 32864), (988, 31600), (1027, 30400), (1040, 30020), (1216, 25675), (1235, 25280), (1264, 24700), (1300, 24016), (1501, 20800), (1520, 20540), (1580, 19760), (1600, 19513), (1900, 16432), (1975, 15808), (1976, 15800), (2054, 15200), (2080, 15010), (2470, 12640), (2528, 12350), (2600, 12008), (3002, 10400), (3040, 10270), (3160, 9880), (3800, 8216), (3950, 7904), (3952, 7900), (4108, 7600), (4160, 7505), (4940, 6320), (5056, 6175), (5135, 6080), (5200, 6004)]