1991577720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7219}}^1$

素因数の和:7274

約数の個数: 192

約数和(自身を含む): 6913872000

約数和(自身を除く): 4922294280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 121, 132, 152, 165, 190, 209, 220, 228, 242, 264, 285, 330, 363, 380, 418, 440, 456, 484, 570, 605, 627, 660, 726, 760, 836, 968, 1045, 1140, 1210, 1254, 1320, 1452, 1672, 1815, 2090, 2280, 2299, 2420, 2508, 2904, 3135, 3630, 4180, 4598, 4840, 5016, 6270, 6897, 7219, 7260, 8360, 9196, 11495, 12540, 13794, 14438, 14520, 18392, 21657, 22990, 25080, 27588, 28876, 34485, 36095, 43314, 45980, 55176, 57752, 68970, 72190, 79409, 86628, 91960, 108285, 137161, 137940, 144380, 158818, 173256, 216570, 238227, 274322, 275880, 288760, 317636, 397045, 411483, 433140, 476454, 548644, 635272, 685805, 794090, 822966, 866280, 873499, 952908, 1097288, 1191135, 1371610, 1508771, 1588180, 1645932, 1746998, 1905816, 2057415, 2382270, 2620497, 2743220, 3017542, 3176360, 3291864, 3493996, 4114830, 4367495, 4526313, 4764540, 5240994, 5486440, 6035084, 6987992, 7543855, 8229660, 8734990, 9052626, 9529080, 10481988, 12070168, 13102485, 15087710, 16459320, 16596481, 17469980, 18105252, 20963976, 22631565, 26204970, 30175420, 33192962, 34939960, 36210504, 45263130, 49789443, 52409940, 60350840, 66385924, 82982405, 90526260, 99578886, 104819880, 132771848, 165964810, 181052520, 199157772, 248947215, 331929620, 398315544, 497894430, 663859240, 995788860, 1991577720]

約数ペア:

[(1, 1991577720), (2, 995788860), (3, 663859240), (4, 497894430), (5, 398315544), (6, 331929620), (8, 248947215), (10, 199157772), (11, 181052520), (12, 165964810), (15, 132771848), (19, 104819880), (20, 99578886), (22, 90526260), (24, 82982405), (30, 66385924), (33, 60350840), (38, 52409940), (40, 49789443), (44, 45263130), (55, 36210504), (57, 34939960), (60, 33192962), (66, 30175420), (76, 26204970), (88, 22631565), (95, 20963976), (110, 18105252), (114, 17469980), (120, 16596481), (121, 16459320), (132, 15087710), (152, 13102485), (165, 12070168), (190, 10481988), (209, 9529080), (220, 9052626), (228, 8734990), (242, 8229660), (264, 7543855), (285, 6987992), (330, 6035084), (363, 5486440), (380, 5240994), (418, 4764540), (440, 4526313), (456, 4367495), (484, 4114830), (570, 3493996), (605, 3291864), (627, 3176360), (660, 3017542), (726, 2743220), (760, 2620497), (836, 2382270), (968, 2057415), (1045, 1905816), (1140, 1746998), (1210, 1645932), (1254, 1588180), (1320, 1508771), (1452, 1371610), (1672, 1191135), (1815, 1097288), (2090, 952908), (2280, 873499), (2299, 866280), (2420, 822966), (2508, 794090), (2904, 685805), (3135, 635272), (3630, 548644), (4180, 476454), (4598, 433140), (4840, 411483), (5016, 397045), (6270, 317636), (6897, 288760), (7219, 275880), (7260, 274322), (8360, 238227), (9196, 216570), (11495, 173256), (12540, 158818), (13794, 144380), (14438, 137940), (14520, 137161), (18392, 108285), (21657, 91960), (22990, 86628), (25080, 79409), (27588, 72190), (28876, 68970), (34485, 57752), (36095, 55176), (43314, 45980)]