1989818220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:584

約数の個数: 192

約数和(自身を含む): 6177669120

約数和(自身を除く): 4187850900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 127, 130, 156, 159, 195, 212, 254, 260, 265, 318, 379, 381, 390, 508, 530, 635, 636, 689, 758, 762, 780, 795, 1060, 1137, 1270, 1378, 1516, 1524, 1590, 1651, 1895, 1905, 2067, 2274, 2540, 2756, 3180, 3302, 3445, 3790, 3810, 4134, 4548, 4927, 4953, 5685, 6604, 6731, 6890, 7580, 7620, 8255, 8268, 9854, 9906, 10335, 11370, 13462, 13780, 14781, 16510, 19708, 19812, 20087, 20193, 20670, 22740, 24635, 24765, 26924, 29562, 33020, 33655, 40174, 40386, 41340, 48133, 49270, 49530, 59124, 60261, 67310, 73905, 80348, 80772, 87503, 96266, 98540, 99060, 100435, 100965, 120522, 134620, 144399, 147810, 175006, 192532, 200870, 201930, 240665, 241044, 261131, 262509, 288798, 295620, 301305, 350012, 401740, 403860, 437515, 481330, 522262, 525018, 577596, 602610, 625729, 721995, 783393, 875030, 962660, 1044524, 1050036, 1205220, 1251458, 1305655, 1312545, 1443990, 1566786, 1750060, 1877187, 2502916, 2551049, 2611310, 2625090, 2887980, 3128645, 3133572, 3754374, 3916965, 5102098, 5222620, 5250180, 6257290, 7508748, 7653147, 7833930, 9385935, 10204196, 12514580, 12755245, 15306294, 15667860, 18771870, 25510490, 30612588, 33163637, 37543740, 38265735, 51020980, 66327274, 76531470, 99490911, 132654548, 153062940, 165818185, 198981822, 331636370, 397963644, 497454555, 663272740, 994909110, 1989818220]

約数ペア:

[(1, 1989818220), (2, 994909110), (3, 663272740), (4, 497454555), (5, 397963644), (6, 331636370), (10, 198981822), (12, 165818185), (13, 153062940), (15, 132654548), (20, 99490911), (26, 76531470), (30, 66327274), (39, 51020980), (52, 38265735), (53, 37543740), (60, 33163637), (65, 30612588), (78, 25510490), (106, 18771870), (127, 15667860), (130, 15306294), (156, 12755245), (159, 12514580), (195, 10204196), (212, 9385935), (254, 7833930), (260, 7653147), (265, 7508748), (318, 6257290), (379, 5250180), (381, 5222620), (390, 5102098), (508, 3916965), (530, 3754374), (635, 3133572), (636, 3128645), (689, 2887980), (758, 2625090), (762, 2611310), (780, 2551049), (795, 2502916), (1060, 1877187), (1137, 1750060), (1270, 1566786), (1378, 1443990), (1516, 1312545), (1524, 1305655), (1590, 1251458), (1651, 1205220), (1895, 1050036), (1905, 1044524), (2067, 962660), (2274, 875030), (2540, 783393), (2756, 721995), (3180, 625729), (3302, 602610), (3445, 577596), (3790, 525018), (3810, 522262), (4134, 481330), (4548, 437515), (4927, 403860), (4953, 401740), (5685, 350012), (6604, 301305), (6731, 295620), (6890, 288798), (7580, 262509), (7620, 261131), (8255, 241044), (8268, 240665), (9854, 201930), (9906, 200870), (10335, 192532), (11370, 175006), (13462, 147810), (13780, 144399), (14781, 134620), (16510, 120522), (19708, 100965), (19812, 100435), (20087, 99060), (20193, 98540), (20670, 96266), (22740, 87503), (24635, 80772), (24765, 80348), (26924, 73905), (29562, 67310), (33020, 60261), (33655, 59124), (40174, 49530), (40386, 49270), (41340, 48133)]