19930286880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{63781}}^1$

素因数の和:63840

約数の個数: 288

約数和(自身を含む): 80236735488

約数和(自身を除く): 60306448608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4340, 4464, 4960, 5040, 5208, 5580, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 13020, 14880, 15624, 17360, 19530, 20832, 22320, 26040, 31248, 34720, 39060, 44640, 52080, 62496, 63781, 78120, 104160, 127562, 156240, 191343, 255124, 312480, 318905, 382686, 446467, 510248, 574029, 637810, 765372, 892934, 956715, 1020496, 1148058, 1275620, 1339401, 1530744, 1785868, 1913430, 1977211, 2040992, 2232335, 2296116, 2551240, 2678802, 2870145, 3061488, 3571736, 3826860, 3954422, 4018203, 4464670, 4592232, 5102480, 5357604, 5740290, 5931633, 6122976, 6697005, 7143472, 7653720, 7908844, 8036406, 8929340, 9184464, 9886055, 10204960, 10715208, 11480580, 11863266, 13394010, 13840477, 14286944, 15307440, 15817688, 16072812, 17794899, 17858680, 18368928, 19772110, 20091015, 21430416, 22961160, 23726532, 26788020, 27680954, 29658165, 30614880, 31635376, 32145624, 35589798, 35717360, 39544220, 40182030, 41521431, 42860832, 45922320, 47453064, 53576040, 55361908, 59316330, 63270752, 64291248, 69202385, 71179596, 71434720, 79088440, 80364060, 83042862, 88974495, 91844640, 94906128, 107152080, 110723816, 118632660, 124564293, 128582496, 138404770, 142359192, 158176880, 160728120, 166085724, 177948990, 189812256, 207607155, 214304160, 221447632, 237265320, 249128586, 276809540, 284718384, 316353760, 321456240, 332171448, 355897980, 415214310, 442895264, 474530640, 498257172, 553619080, 569436768, 622821465, 642912480, 664342896, 711795960, 830428620, 949061280, 996514344, 1107238160, 1245642930, 1328685792, 1423591920, 1660857240, 1993028688, 2214476320, 2491285860, 2847183840, 3321714480, 3986057376, 4982571720, 6643428960, 9965143440, 19930286880]

約数ペア:

[(1, 19930286880), (2, 9965143440), (3, 6643428960), (4, 4982571720), (5, 3986057376), (6, 3321714480), (7, 2847183840), (8, 2491285860), (9, 2214476320), (10, 1993028688), (12, 1660857240), (14, 1423591920), (15, 1328685792), (16, 1245642930), (18, 1107238160), (20, 996514344), (21, 949061280), (24, 830428620), (28, 711795960), (30, 664342896), (31, 642912480), (32, 622821465), (35, 569436768), (36, 553619080), (40, 498257172), (42, 474530640), (45, 442895264), (48, 415214310), (56, 355897980), (60, 332171448), (62, 321456240), (63, 316353760), (70, 284718384), (72, 276809540), (80, 249128586), (84, 237265320), (90, 221447632), (93, 214304160), (96, 207607155), (105, 189812256), (112, 177948990), (120, 166085724), (124, 160728120), (126, 158176880), (140, 142359192), (144, 138404770), (155, 128582496), (160, 124564293), (168, 118632660), (180, 110723816), (186, 107152080), (210, 94906128), (217, 91844640), (224, 88974495), (240, 83042862), (248, 80364060), (252, 79088440), (279, 71434720), (280, 71179596), (288, 69202385), (310, 64291248), (315, 63270752), (336, 59316330), (360, 55361908), (372, 53576040), (420, 47453064), (434, 45922320), (465, 42860832), (480, 41521431), (496, 40182030), (504, 39544220), (558, 35717360), (560, 35589798), (620, 32145624), (630, 31635376), (651, 30614880), (672, 29658165), (720, 27680954), (744, 26788020), (840, 23726532), (868, 22961160), (930, 21430416), (992, 20091015), (1008, 19772110), (1085, 18368928), (1116, 17858680), (1120, 17794899), (1240, 16072812), (1260, 15817688), (1302, 15307440), (1395, 14286944), (1440, 13840477), (1488, 13394010), (1680, 11863266), (1736, 11480580), (1860, 10715208), (1953, 10204960), (2016, 9886055), (2170, 9184464), (2232, 8929340), (2480, 8036406), (2520, 7908844), (2604, 7653720), (2790, 7143472), (2976, 6697005), (3255, 6122976), (3360, 5931633), (3472, 5740290), (3720, 5357604), (3906, 5102480), (4340, 4592232), (4464, 4464670), (4960, 4018203), (5040, 3954422), (5208, 3826860), (5580, 3571736), (6510, 3061488), (6944, 2870145), (7440, 2678802), (7812, 2551240), (8680, 2296116), (8928, 2232335), (9765, 2040992), (10080, 1977211), (10416, 1913430), (11160, 1785868), (13020, 1530744), (14880, 1339401), (15624, 1275620), (17360, 1148058), (19530, 1020496), (20832, 956715), (22320, 892934), (26040, 765372), (31248, 637810), (34720, 574029), (39060, 510248), (44640, 446467), (52080, 382686), (62496, 318905), (63781, 312480), (78120, 255124), (104160, 191343), (127562, 156240)]