1991196960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7043}}^1$

素因数の和:7111

約数の個数: 192

約数和(自身を含む): 6816337920

約数和(自身を除く): 4825140960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 912, 930, 992, 1140, 1178, 1240, 1488, 1520, 1767, 1824, 1860, 2280, 2356, 2480, 2945, 2976, 3040, 3534, 3720, 4560, 4712, 4960, 5890, 7043, 7068, 7440, 8835, 9120, 9424, 11780, 14086, 14136, 14880, 17670, 18848, 21129, 23560, 28172, 28272, 35215, 35340, 42258, 47120, 56344, 56544, 70430, 70680, 84516, 94240, 105645, 112688, 133817, 140860, 141360, 169032, 211290, 218333, 225376, 267634, 281720, 282720, 338064, 401451, 422580, 436666, 535268, 563440, 654999, 669085, 676128, 802902, 845160, 873332, 1070536, 1091665, 1126880, 1309998, 1338170, 1605804, 1690320, 1746664, 2007255, 2141072, 2183330, 2619996, 2676340, 3211608, 3274995, 3380640, 3493328, 4014510, 4148327, 4282144, 4366660, 5239992, 5352680, 6423216, 6549990, 6986656, 8029020, 8296654, 8733320, 10479984, 10705360, 12444981, 12846432, 13099980, 16058040, 16593308, 17466640, 20741635, 20959968, 21410720, 24889962, 26199960, 32116080, 33186616, 34933280, 41483270, 49779924, 52399920, 62224905, 64232160, 66373232, 82966540, 99559848, 104799840, 124449810, 132746464, 165933080, 199119696, 248899620, 331866160, 398239392, 497799240, 663732320, 995598480, 1991196960]

約数ペア:

[(1, 1991196960), (2, 995598480), (3, 663732320), (4, 497799240), (5, 398239392), (6, 331866160), (8, 248899620), (10, 199119696), (12, 165933080), (15, 132746464), (16, 124449810), (19, 104799840), (20, 99559848), (24, 82966540), (30, 66373232), (31, 64232160), (32, 62224905), (38, 52399920), (40, 49779924), (48, 41483270), (57, 34933280), (60, 33186616), (62, 32116080), (76, 26199960), (80, 24889962), (93, 21410720), (95, 20959968), (96, 20741635), (114, 17466640), (120, 16593308), (124, 16058040), (152, 13099980), (155, 12846432), (160, 12444981), (186, 10705360), (190, 10479984), (228, 8733320), (240, 8296654), (248, 8029020), (285, 6986656), (304, 6549990), (310, 6423216), (372, 5352680), (380, 5239992), (456, 4366660), (465, 4282144), (480, 4148327), (496, 4014510), (570, 3493328), (589, 3380640), (608, 3274995), (620, 3211608), (744, 2676340), (760, 2619996), (912, 2183330), (930, 2141072), (992, 2007255), (1140, 1746664), (1178, 1690320), (1240, 1605804), (1488, 1338170), (1520, 1309998), (1767, 1126880), (1824, 1091665), (1860, 1070536), (2280, 873332), (2356, 845160), (2480, 802902), (2945, 676128), (2976, 669085), (3040, 654999), (3534, 563440), (3720, 535268), (4560, 436666), (4712, 422580), (4960, 401451), (5890, 338064), (7043, 282720), (7068, 281720), (7440, 267634), (8835, 225376), (9120, 218333), (9424, 211290), (11780, 169032), (14086, 141360), (14136, 140860), (14880, 133817), (17670, 112688), (18848, 105645), (21129, 94240), (23560, 84516), (28172, 70680), (28272, 70430), (35215, 56544), (35340, 56344), (42258, 47120)]