20998447680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{100799}}^1$

素因数の和:100857

約数の個数: 224

約数和(自身を含む): 78653030400

約数和(自身を除く): 57654582720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1984, 2170, 2240, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 4340, 4960, 5208, 5952, 6510, 6720, 6944, 7440, 8680, 9920, 10416, 13020, 13888, 14880, 17360, 20832, 26040, 29760, 34720, 41664, 52080, 69440, 100799, 104160, 201598, 208320, 302397, 403196, 503995, 604794, 705593, 806392, 1007990, 1209588, 1411186, 1511985, 1612784, 2015980, 2116779, 2419176, 2822372, 3023970, 3124769, 3225568, 3527965, 4031960, 4233558, 4838352, 5644744, 6047940, 6249538, 6451136, 7055930, 8063920, 8467116, 9374307, 9676704, 10583895, 11289488, 12095880, 12499076, 14111860, 15623845, 16127840, 16934232, 18748614, 19353408, 21167790, 21873383, 22578976, 24191760, 24998152, 28223720, 31247690, 32255680, 33868464, 37497228, 42335580, 43746766, 45157952, 46871535, 48383520, 49996304, 56447440, 62495380, 65620149, 67736928, 74994456, 84671160, 87493532, 93743070, 96767040, 99992608, 109366915, 112894880, 124990760, 131240298, 135473856, 149988912, 169342320, 174987064, 187486140, 199985216, 218733830, 225789760, 249981520, 262480596, 299977824, 328100745, 338684640, 349974128, 374972280, 437467660, 499963040, 524961192, 599955648, 656201490, 677369280, 699948256, 749944560, 874935320, 999926080, 1049922384, 1312402980, 1399896512, 1499889120, 1749870640, 2099844768, 2624805960, 2999778240, 3499741280, 4199689536, 5249611920, 6999482560, 10499223840, 20998447680]

約数ペア:

[(1, 20998447680), (2, 10499223840), (3, 6999482560), (4, 5249611920), (5, 4199689536), (6, 3499741280), (7, 2999778240), (8, 2624805960), (10, 2099844768), (12, 1749870640), (14, 1499889120), (15, 1399896512), (16, 1312402980), (20, 1049922384), (21, 999926080), (24, 874935320), (28, 749944560), (30, 699948256), (31, 677369280), (32, 656201490), (35, 599955648), (40, 524961192), (42, 499963040), (48, 437467660), (56, 374972280), (60, 349974128), (62, 338684640), (64, 328100745), (70, 299977824), (80, 262480596), (84, 249981520), (93, 225789760), (96, 218733830), (105, 199985216), (112, 187486140), (120, 174987064), (124, 169342320), (140, 149988912), (155, 135473856), (160, 131240298), (168, 124990760), (186, 112894880), (192, 109366915), (210, 99992608), (217, 96767040), (224, 93743070), (240, 87493532), (248, 84671160), (280, 74994456), (310, 67736928), (320, 65620149), (336, 62495380), (372, 56447440), (420, 49996304), (434, 48383520), (448, 46871535), (465, 45157952), (480, 43746766), (496, 42335580), (560, 37497228), (620, 33868464), (651, 32255680), (672, 31247690), (744, 28223720), (840, 24998152), (868, 24191760), (930, 22578976), (960, 21873383), (992, 21167790), (1085, 19353408), (1120, 18748614), (1240, 16934232), (1302, 16127840), (1344, 15623845), (1488, 14111860), (1680, 12499076), (1736, 12095880), (1860, 11289488), (1984, 10583895), (2170, 9676704), (2240, 9374307), (2480, 8467116), (2604, 8063920), (2976, 7055930), (3255, 6451136), (3360, 6249538), (3472, 6047940), (3720, 5644744), (4340, 4838352), (4960, 4233558), (5208, 4031960), (5952, 3527965), (6510, 3225568), (6720, 3124769), (6944, 3023970), (7440, 2822372), (8680, 2419176), (9920, 2116779), (10416, 2015980), (13020, 1612784), (13888, 1511985), (14880, 1411186), (17360, 1209588), (20832, 1007990), (26040, 806392), (29760, 705593), (34720, 604794), (41664, 503995), (52080, 403196), (69440, 302397), (100799, 208320), (104160, 201598)]