21778557720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{308129}}^1$

素因数の和:308193

約数の個数: 128

約数和(自身を含む): 70993152000

約数和(自身を除く): 49214594280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 7068, 8835, 11780, 14136, 17670, 23560, 35340, 70680, 308129, 616258, 924387, 1232516, 1540645, 1848774, 2465032, 3081290, 3697548, 4621935, 5854451, 6162580, 7395096, 9243870, 9551999, 11708902, 12325160, 17563353, 18487740, 19103998, 23417804, 28655997, 29272255, 35126706, 36975480, 38207996, 46835608, 47759995, 57311994, 58544510, 70253412, 76415992, 87816765, 95519990, 114623988, 117089020, 140506824, 143279985, 175633530, 181487981, 191039980, 229247976, 234178040, 286559970, 351267060, 362975962, 382079960, 544463943, 573119940, 702534120, 725951924, 907439905, 1088927886, 1146239880, 1451903848, 1814879810, 2177855772, 2722319715, 3629759620, 4355711544, 5444639430, 7259519240, 10889278860, 21778557720]

約数ペア:

[(1, 21778557720), (2, 10889278860), (3, 7259519240), (4, 5444639430), (5, 4355711544), (6, 3629759620), (8, 2722319715), (10, 2177855772), (12, 1814879810), (15, 1451903848), (19, 1146239880), (20, 1088927886), (24, 907439905), (30, 725951924), (31, 702534120), (38, 573119940), (40, 544463943), (57, 382079960), (60, 362975962), (62, 351267060), (76, 286559970), (93, 234178040), (95, 229247976), (114, 191039980), (120, 181487981), (124, 175633530), (152, 143279985), (155, 140506824), (186, 117089020), (190, 114623988), (228, 95519990), (248, 87816765), (285, 76415992), (310, 70253412), (372, 58544510), (380, 57311994), (456, 47759995), (465, 46835608), (570, 38207996), (589, 36975480), (620, 35126706), (744, 29272255), (760, 28655997), (930, 23417804), (1140, 19103998), (1178, 18487740), (1240, 17563353), (1767, 12325160), (1860, 11708902), (2280, 9551999), (2356, 9243870), (2945, 7395096), (3534, 6162580), (3720, 5854451), (4712, 4621935), (5890, 3697548), (7068, 3081290), (8835, 2465032), (11780, 1848774), (14136, 1540645), (17670, 1232516), (23560, 924387), (35340, 616258), (70680, 308129)]