19910975760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{57493}}^1$

素因数の和:57562

約数の個数: 240

約数和(自身を含む): 73958901744

約数和(自身を除く): 54047925984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 592, 624, 666, 720, 740, 780, 888, 936, 962, 1040, 1110, 1170, 1332, 1443, 1480, 1560, 1665, 1776, 1872, 1924, 2220, 2340, 2405, 2664, 2886, 2960, 3120, 3330, 3848, 4329, 4440, 4680, 4810, 5328, 5772, 6660, 7215, 7696, 8658, 8880, 9360, 9620, 11544, 13320, 14430, 17316, 19240, 21645, 23088, 26640, 28860, 34632, 38480, 43290, 57493, 57720, 69264, 86580, 114986, 115440, 172479, 173160, 229972, 287465, 344958, 346320, 459944, 517437, 574930, 689916, 747409, 862395, 919888, 1034874, 1149860, 1379832, 1494818, 1724790, 2069748, 2127241, 2242227, 2299720, 2587185, 2759664, 2989636, 3449580, 3737045, 4139496, 4254482, 4484454, 4599440, 5174370, 5979272, 6381723, 6726681, 6899160, 7474090, 8278992, 8508964, 8968908, 10348740, 10636205, 11211135, 11958544, 12763446, 13453362, 13798320, 14948180, 17017928, 17937816, 19145169, 20697480, 21272410, 22422270, 25526892, 26906724, 27654133, 29896360, 31908615, 33633405, 34035856, 35875632, 38290338, 41394960, 42544820, 44844540, 51053784, 53813448, 55308266, 59792720, 63817230, 67266810, 76580676, 82962399, 85089640, 89689080, 95725845, 102107568, 107626896, 110616532, 127634460, 134533620, 138270665, 153161352, 165924798, 170179280, 179378160, 191451690, 221233064, 248887197, 255268920, 269067240, 276541330, 306322704, 331849596, 382903380, 414811995, 442466128, 497774394, 510537840, 538134480, 553082660, 663699192, 765806760, 829623990, 995548788, 1106165320, 1244435985, 1327398384, 1531613520, 1659247980, 1991097576, 2212330640, 2488871970, 3318495960, 3982195152, 4977743940, 6636991920, 9955487880, 19910975760]

約数ペア:

[(1, 19910975760), (2, 9955487880), (3, 6636991920), (4, 4977743940), (5, 3982195152), (6, 3318495960), (8, 2488871970), (9, 2212330640), (10, 1991097576), (12, 1659247980), (13, 1531613520), (15, 1327398384), (16, 1244435985), (18, 1106165320), (20, 995548788), (24, 829623990), (26, 765806760), (30, 663699192), (36, 553082660), (37, 538134480), (39, 510537840), (40, 497774394), (45, 442466128), (48, 414811995), (52, 382903380), (60, 331849596), (65, 306322704), (72, 276541330), (74, 269067240), (78, 255268920), (80, 248887197), (90, 221233064), (104, 191451690), (111, 179378160), (117, 170179280), (120, 165924798), (130, 153161352), (144, 138270665), (148, 134533620), (156, 127634460), (180, 110616532), (185, 107626896), (195, 102107568), (208, 95725845), (222, 89689080), (234, 85089640), (240, 82962399), (260, 76580676), (296, 67266810), (312, 63817230), (333, 59792720), (360, 55308266), (370, 53813448), (390, 51053784), (444, 44844540), (468, 42544820), (481, 41394960), (520, 38290338), (555, 35875632), (585, 34035856), (592, 33633405), (624, 31908615), (666, 29896360), (720, 27654133), (740, 26906724), (780, 25526892), (888, 22422270), (936, 21272410), (962, 20697480), (1040, 19145169), (1110, 17937816), (1170, 17017928), (1332, 14948180), (1443, 13798320), (1480, 13453362), (1560, 12763446), (1665, 11958544), (1776, 11211135), (1872, 10636205), (1924, 10348740), (2220, 8968908), (2340, 8508964), (2405, 8278992), (2664, 7474090), (2886, 6899160), (2960, 6726681), (3120, 6381723), (3330, 5979272), (3848, 5174370), (4329, 4599440), (4440, 4484454), (4680, 4254482), (4810, 4139496), (5328, 3737045), (5772, 3449580), (6660, 2989636), (7215, 2759664), (7696, 2587185), (8658, 2299720), (8880, 2242227), (9360, 2127241), (9620, 2069748), (11544, 1724790), (13320, 1494818), (14430, 1379832), (17316, 1149860), (19240, 1034874), (21645, 919888), (23088, 862395), (26640, 747409), (28860, 689916), (34632, 574930), (38480, 517437), (43290, 459944), (57493, 346320), (57720, 344958), (69264, 287465), (86580, 229972), (114986, 173160), (115440, 172479)]