20080204560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{238369}}^1$

素因数の和:238407

約数の個数: 200

約数和(自身を含む): 75106573080

約数和(自身を除く): 55026368520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6480, 7020, 8424, 9360, 10530, 14040, 16848, 21060, 28080, 42120, 84240, 238369, 476738, 715107, 953476, 1191845, 1430214, 1906952, 2145321, 2383690, 2860428, 3098797, 3575535, 3813904, 4290642, 4767380, 5720856, 6197594, 6435963, 7151070, 8581284, 9296391, 9534760, 10726605, 11441712, 12395188, 12871926, 14302140, 15493985, 17162568, 18592782, 19069520, 19307889, 21453210, 24790376, 25743852, 27889173, 28604280, 30987970, 32179815, 34325136, 37185564, 38615778, 42906420, 46481955, 49580752, 51487704, 55778346, 57208560, 61975940, 64359630, 74371128, 77231556, 83667519, 85812840, 92963910, 96539445, 102975408, 111556692, 123951880, 128719260, 139445865, 148742256, 154463112, 167335038, 171625680, 185927820, 193078890, 223113384, 247903760, 251002557, 257438520, 278891730, 308926224, 334670076, 371855640, 386157780, 418337595, 446226768, 502005114, 514877040, 557783460, 669340152, 743711280, 772315560, 836675190, 1004010228, 1115566920, 1255012785, 1338680304, 1544631120, 1673350380, 2008020456, 2231133840, 2510025570, 3346700760, 4016040912, 5020051140, 6693401520, 10040102280, 20080204560]

約数ペア:

[(1, 20080204560), (2, 10040102280), (3, 6693401520), (4, 5020051140), (5, 4016040912), (6, 3346700760), (8, 2510025570), (9, 2231133840), (10, 2008020456), (12, 1673350380), (13, 1544631120), (15, 1338680304), (16, 1255012785), (18, 1115566920), (20, 1004010228), (24, 836675190), (26, 772315560), (27, 743711280), (30, 669340152), (36, 557783460), (39, 514877040), (40, 502005114), (45, 446226768), (48, 418337595), (52, 386157780), (54, 371855640), (60, 334670076), (65, 308926224), (72, 278891730), (78, 257438520), (80, 251002557), (81, 247903760), (90, 223113384), (104, 193078890), (108, 185927820), (117, 171625680), (120, 167335038), (130, 154463112), (135, 148742256), (144, 139445865), (156, 128719260), (162, 123951880), (180, 111556692), (195, 102975408), (208, 96539445), (216, 92963910), (234, 85812840), (240, 83667519), (260, 77231556), (270, 74371128), (312, 64359630), (324, 61975940), (351, 57208560), (360, 55778346), (390, 51487704), (405, 49580752), (432, 46481955), (468, 42906420), (520, 38615778), (540, 37185564), (585, 34325136), (624, 32179815), (648, 30987970), (702, 28604280), (720, 27889173), (780, 25743852), (810, 24790376), (936, 21453210), (1040, 19307889), (1053, 19069520), (1080, 18592782), (1170, 17162568), (1296, 15493985), (1404, 14302140), (1560, 12871926), (1620, 12395188), (1755, 11441712), (1872, 10726605), (2106, 9534760), (2160, 9296391), (2340, 8581284), (2808, 7151070), (3120, 6435963), (3240, 6197594), (3510, 5720856), (4212, 4767380), (4680, 4290642), (5265, 3813904), (5616, 3575535), (6480, 3098797), (7020, 2860428), (8424, 2383690), (9360, 2145321), (10530, 1906952), (14040, 1430214), (16848, 1191845), (21060, 953476), (28080, 715107), (42120, 476738), (84240, 238369)]