20161908720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{15583}}^1$

素因数の和:16204

約数の個数: 160

約数和(自身を含む): 69566976000

約数和(自身を除く): 49405067280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 599, 720, 1080, 1198, 1797, 2160, 2396, 2995, 3594, 4792, 5391, 5990, 7188, 8985, 9584, 10782, 11980, 14376, 15583, 16173, 17970, 21564, 23960, 26955, 28752, 31166, 32346, 35940, 43128, 46749, 47920, 53910, 62332, 64692, 71880, 77915, 80865, 86256, 93498, 107820, 124664, 129384, 140247, 143760, 155830, 161730, 186996, 215640, 233745, 249328, 258768, 280494, 311660, 323460, 373992, 420741, 431280, 467490, 560988, 623320, 646920, 701235, 747984, 841482, 934980, 1121976, 1246640, 1293840, 1402470, 1682964, 1869960, 2103705, 2243952, 2804940, 3365928, 3739920, 4207410, 5609880, 6731856, 8414820, 9334217, 11219760, 16829640, 18668434, 28002651, 33659280, 37336868, 46671085, 56005302, 74673736, 84007953, 93342170, 112010604, 140013255, 149347472, 168015906, 186684340, 224021208, 252023859, 280026510, 336031812, 373368680, 420039765, 448042416, 504047718, 560053020, 672063624, 746737360, 840079530, 1008095436, 1120106040, 1260119295, 1344127248, 1680159060, 2016190872, 2240212080, 2520238590, 3360318120, 4032381744, 5040477180, 6720636240, 10080954360, 20161908720]

約数ペア:

[(1, 20161908720), (2, 10080954360), (3, 6720636240), (4, 5040477180), (5, 4032381744), (6, 3360318120), (8, 2520238590), (9, 2240212080), (10, 2016190872), (12, 1680159060), (15, 1344127248), (16, 1260119295), (18, 1120106040), (20, 1008095436), (24, 840079530), (27, 746737360), (30, 672063624), (36, 560053020), (40, 504047718), (45, 448042416), (48, 420039765), (54, 373368680), (60, 336031812), (72, 280026510), (80, 252023859), (90, 224021208), (108, 186684340), (120, 168015906), (135, 149347472), (144, 140013255), (180, 112010604), (216, 93342170), (240, 84007953), (270, 74673736), (360, 56005302), (432, 46671085), (540, 37336868), (599, 33659280), (720, 28002651), (1080, 18668434), (1198, 16829640), (1797, 11219760), (2160, 9334217), (2396, 8414820), (2995, 6731856), (3594, 5609880), (4792, 4207410), (5391, 3739920), (5990, 3365928), (7188, 2804940), (8985, 2243952), (9584, 2103705), (10782, 1869960), (11980, 1682964), (14376, 1402470), (15583, 1293840), (16173, 1246640), (17970, 1121976), (21564, 934980), (23960, 841482), (26955, 747984), (28752, 701235), (31166, 646920), (32346, 623320), (35940, 560988), (43128, 467490), (46749, 431280), (47920, 420741), (53910, 373992), (62332, 323460), (64692, 311660), (71880, 280494), (77915, 258768), (80865, 249328), (86256, 233745), (93498, 215640), (107820, 186996), (124664, 161730), (129384, 155830), (140247, 143760)]