20791658160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317333}}^1$

素因数の和:317372

約数の個数: 240

約数和(自身を含む): 85939124544

約数和(自身を除く): 65147466384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520, 317333, 634666, 951999, 1269332, 1586665, 1903998, 2221331, 2538664, 2855997, 3173330, 3807996, 4125329, 4442662, 4759995, 5077328, 5711994, 6346660, 6663993, 7615992, 8250658, 8885324, 9519990, 11106655, 11423988, 12375987, 12693320, 13327986, 14279985, 15231984, 16501316, 17770648, 19039980, 19991979, 20626645, 22213310, 22847976, 24751974, 25386640, 26655972, 28559970, 28877303, 33002632, 33319965, 35541296, 37127961, 38079960, 39983958, 41253290, 44426620, 45695952, 49503948, 53311944, 57119940, 57754606, 61879935, 66005264, 66639930, 74255922, 76159920, 79967916, 82506580, 86631909, 88853240, 99007896, 99959895, 106623888, 114239880, 115509212, 123759870, 133279860, 144386515, 148511844, 159935832, 165013160, 173263818, 177706480, 185639805, 198015792, 199919790, 228479760, 231018424, 247519740, 259895727, 266559720, 288773030, 297023688, 319871664, 330026320, 346527636, 371279610, 399839580, 433159545, 462036848, 495039480, 519791454, 533119440, 577546060, 594047376, 693055272, 742559220, 799679160, 866319090, 990078960, 1039582908, 1155092120, 1299478635, 1386110544, 1485118440, 1599358320, 1732638180, 2079165816, 2310184240, 2598957270, 2970236880, 3465276360, 4158331632, 5197914540, 6930552720, 10395829080, 20791658160]

約数ペア:

[(1, 20791658160), (2, 10395829080), (3, 6930552720), (4, 5197914540), (5, 4158331632), (6, 3465276360), (7, 2970236880), (8, 2598957270), (9, 2310184240), (10, 2079165816), (12, 1732638180), (13, 1599358320), (14, 1485118440), (15, 1386110544), (16, 1299478635), (18, 1155092120), (20, 1039582908), (21, 990078960), (24, 866319090), (26, 799679160), (28, 742559220), (30, 693055272), (35, 594047376), (36, 577546060), (39, 533119440), (40, 519791454), (42, 495039480), (45, 462036848), (48, 433159545), (52, 399839580), (56, 371279610), (60, 346527636), (63, 330026320), (65, 319871664), (70, 297023688), (72, 288773030), (78, 266559720), (80, 259895727), (84, 247519740), (90, 231018424), (91, 228479760), (104, 199919790), (105, 198015792), (112, 185639805), (117, 177706480), (120, 173263818), (126, 165013160), (130, 159935832), (140, 148511844), (144, 144386515), (156, 133279860), (168, 123759870), (180, 115509212), (182, 114239880), (195, 106623888), (208, 99959895), (210, 99007896), (234, 88853240), (240, 86631909), (252, 82506580), (260, 79967916), (273, 76159920), (280, 74255922), (312, 66639930), (315, 66005264), (336, 61879935), (360, 57754606), (364, 57119940), (390, 53311944), (420, 49503948), (455, 45695952), (468, 44426620), (504, 41253290), (520, 39983958), (546, 38079960), (560, 37127961), (585, 35541296), (624, 33319965), (630, 33002632), (720, 28877303), (728, 28559970), (780, 26655972), (819, 25386640), (840, 24751974), (910, 22847976), (936, 22213310), (1008, 20626645), (1040, 19991979), (1092, 19039980), (1170, 17770648), (1260, 16501316), (1365, 15231984), (1456, 14279985), (1560, 13327986), (1638, 12693320), (1680, 12375987), (1820, 11423988), (1872, 11106655), (2184, 9519990), (2340, 8885324), (2520, 8250658), (2730, 7615992), (3120, 6663993), (3276, 6346660), (3640, 5711994), (4095, 5077328), (4368, 4759995), (4680, 4442662), (5040, 4125329), (5460, 3807996), (6552, 3173330), (7280, 2855997), (8190, 2538664), (9360, 2221331), (10920, 1903998), (13104, 1586665), (16380, 1269332), (21840, 951999), (32760, 634666), (65520, 317333)]