20869715880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{17909}}^1$

素因数の和:18025

約数の個数: 256

約数和(自身を含む): 75823776000

約数和(自身を除く): 54954060120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 83, 90, 104, 108, 117, 120, 130, 135, 156, 166, 180, 195, 216, 234, 249, 260, 270, 312, 332, 351, 360, 390, 415, 468, 498, 520, 540, 585, 664, 702, 747, 780, 830, 936, 996, 1079, 1080, 1170, 1245, 1404, 1494, 1560, 1660, 1755, 1992, 2158, 2241, 2340, 2490, 2808, 2988, 3237, 3320, 3510, 3735, 4316, 4482, 4680, 4980, 5395, 5976, 6474, 7020, 7470, 8632, 8964, 9711, 9960, 10790, 11205, 12948, 14040, 14940, 16185, 17909, 17928, 19422, 21580, 22410, 25896, 29133, 29880, 32370, 35818, 38844, 43160, 44820, 48555, 53727, 58266, 64740, 71636, 77688, 89545, 89640, 97110, 107454, 116532, 129480, 143272, 145665, 161181, 179090, 194220, 214908, 232817, 233064, 268635, 291330, 322362, 358180, 388440, 429816, 465634, 483543, 537270, 582660, 644724, 698451, 716360, 805905, 931268, 967086, 1074540, 1164085, 1165320, 1289448, 1396902, 1486447, 1611810, 1862536, 1934172, 2095353, 2149080, 2328170, 2417715, 2793804, 2972894, 3223620, 3492255, 3868344, 4190706, 4459341, 4656340, 4835430, 5587608, 5945788, 6286059, 6447240, 6984510, 7432235, 8381412, 8918682, 9312680, 9670860, 10476765, 11891576, 12572118, 13378023, 13969020, 14864470, 16762824, 17837364, 19323811, 19341720, 20953530, 22296705, 25144236, 26756046, 27938040, 29728940, 31430295, 35674728, 38647622, 40134069, 41907060, 44593410, 50288472, 53512092, 57971433, 59457880, 62860590, 66890115, 77295244, 80268138, 83814120, 89186820, 96619055, 107024184, 115942866, 125721180, 133780230, 154590488, 160536276, 173914299, 178373640, 193238110, 200670345, 231885732, 251442360, 267560460, 289857165, 321072552, 347828598, 386476220, 401340690, 463771464, 521742897, 535120920, 579714330, 695657196, 772952440, 802681380, 869571495, 1043485794, 1159428660, 1391314392, 1605362760, 1739142990, 2086971588, 2318857320, 2608714485, 3478285980, 4173943176, 5217428970, 6956571960, 10434857940, 20869715880]

約数ペア:

[(1, 20869715880), (2, 10434857940), (3, 6956571960), (4, 5217428970), (5, 4173943176), (6, 3478285980), (8, 2608714485), (9, 2318857320), (10, 2086971588), (12, 1739142990), (13, 1605362760), (15, 1391314392), (18, 1159428660), (20, 1043485794), (24, 869571495), (26, 802681380), (27, 772952440), (30, 695657196), (36, 579714330), (39, 535120920), (40, 521742897), (45, 463771464), (52, 401340690), (54, 386476220), (60, 347828598), (65, 321072552), (72, 289857165), (78, 267560460), (83, 251442360), (90, 231885732), (104, 200670345), (108, 193238110), (117, 178373640), (120, 173914299), (130, 160536276), (135, 154590488), (156, 133780230), (166, 125721180), (180, 115942866), (195, 107024184), (216, 96619055), (234, 89186820), (249, 83814120), (260, 80268138), (270, 77295244), (312, 66890115), (332, 62860590), (351, 59457880), (360, 57971433), (390, 53512092), (415, 50288472), (468, 44593410), (498, 41907060), (520, 40134069), (540, 38647622), (585, 35674728), (664, 31430295), (702, 29728940), (747, 27938040), (780, 26756046), (830, 25144236), (936, 22296705), (996, 20953530), (1079, 19341720), (1080, 19323811), (1170, 17837364), (1245, 16762824), (1404, 14864470), (1494, 13969020), (1560, 13378023), (1660, 12572118), (1755, 11891576), (1992, 10476765), (2158, 9670860), (2241, 9312680), (2340, 8918682), (2490, 8381412), (2808, 7432235), (2988, 6984510), (3237, 6447240), (3320, 6286059), (3510, 5945788), (3735, 5587608), (4316, 4835430), (4482, 4656340), (4680, 4459341), (4980, 4190706), (5395, 3868344), (5976, 3492255), (6474, 3223620), (7020, 2972894), (7470, 2793804), (8632, 2417715), (8964, 2328170), (9711, 2149080), (9960, 2095353), (10790, 1934172), (11205, 1862536), (12948, 1611810), (14040, 1486447), (14940, 1396902), (16185, 1289448), (17909, 1165320), (17928, 1164085), (19422, 1074540), (21580, 967086), (22410, 931268), (25896, 805905), (29133, 716360), (29880, 698451), (32370, 644724), (35818, 582660), (38844, 537270), (43160, 483543), (44820, 465634), (48555, 429816), (53727, 388440), (58266, 358180), (64740, 322362), (71636, 291330), (77688, 268635), (89545, 233064), (89640, 232817), (97110, 214908), (107454, 194220), (116532, 179090), (129480, 161181), (143272, 145665)]