17921878920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{19763}}^1$

素因数の和:20020

約数の個数: 192

約数和(自身を含む): 63821908800

約数和(自身を除く): 45900029880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 229, 264, 330, 360, 396, 440, 458, 495, 660, 687, 792, 916, 990, 1145, 1320, 1374, 1832, 1980, 2061, 2290, 2519, 2748, 3435, 3960, 4122, 4580, 5038, 5496, 6870, 7557, 8244, 9160, 10076, 10305, 12595, 13740, 15114, 16488, 19763, 20152, 20610, 22671, 25190, 27480, 30228, 37785, 39526, 41220, 45342, 50380, 59289, 60456, 75570, 79052, 82440, 90684, 98815, 100760, 113355, 118578, 151140, 158104, 177867, 181368, 197630, 217393, 226710, 237156, 296445, 302280, 355734, 395260, 434786, 453420, 474312, 592890, 652179, 711468, 790520, 869572, 889335, 906840, 1086965, 1185780, 1304358, 1422936, 1739144, 1778670, 1956537, 2173930, 2371560, 2608716, 3260895, 3557340, 3913074, 4347860, 4525727, 5217432, 6521790, 7114680, 7826148, 8695720, 9051454, 9782685, 13043580, 13577181, 15652296, 18102908, 19565370, 22628635, 26087160, 27154362, 36205816, 39130740, 40731543, 45257270, 49782997, 54308724, 67885905, 78261480, 81463086, 90514540, 99565994, 108617448, 135771810, 149348991, 162926172, 181029080, 199131988, 203657715, 248914985, 271543620, 298697982, 325852344, 398263976, 407315430, 448046973, 497829970, 543087240, 597395964, 746744955, 814630860, 896093946, 995659940, 1194791928, 1493489910, 1629261720, 1792187892, 1991319880, 2240234865, 2986979820, 3584375784, 4480469730, 5973959640, 8960939460, 17921878920]

約数ペア:

[(1, 17921878920), (2, 8960939460), (3, 5973959640), (4, 4480469730), (5, 3584375784), (6, 2986979820), (8, 2240234865), (9, 1991319880), (10, 1792187892), (11, 1629261720), (12, 1493489910), (15, 1194791928), (18, 995659940), (20, 896093946), (22, 814630860), (24, 746744955), (30, 597395964), (33, 543087240), (36, 497829970), (40, 448046973), (44, 407315430), (45, 398263976), (55, 325852344), (60, 298697982), (66, 271543620), (72, 248914985), (88, 203657715), (90, 199131988), (99, 181029080), (110, 162926172), (120, 149348991), (132, 135771810), (165, 108617448), (180, 99565994), (198, 90514540), (220, 81463086), (229, 78261480), (264, 67885905), (330, 54308724), (360, 49782997), (396, 45257270), (440, 40731543), (458, 39130740), (495, 36205816), (660, 27154362), (687, 26087160), (792, 22628635), (916, 19565370), (990, 18102908), (1145, 15652296), (1320, 13577181), (1374, 13043580), (1832, 9782685), (1980, 9051454), (2061, 8695720), (2290, 7826148), (2519, 7114680), (2748, 6521790), (3435, 5217432), (3960, 4525727), (4122, 4347860), (4580, 3913074), (5038, 3557340), (5496, 3260895), (6870, 2608716), (7557, 2371560), (8244, 2173930), (9160, 1956537), (10076, 1778670), (10305, 1739144), (12595, 1422936), (13740, 1304358), (15114, 1185780), (16488, 1086965), (19763, 906840), (20152, 889335), (20610, 869572), (22671, 790520), (25190, 711468), (27480, 652179), (30228, 592890), (37785, 474312), (39526, 453420), (41220, 434786), (45342, 395260), (50380, 355734), (59289, 302280), (60456, 296445), (75570, 237156), (79052, 226710), (82440, 217393), (90684, 197630), (98815, 181368), (100760, 177867), (113355, 158104), (118578, 151140)]