28778811320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2083}}^1$

素因数の和:2187

約数の個数: 256

約数和(自身を含む): 81025920000

約数和(自身を除く): 52247108680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 53, 56, 70, 76, 95, 98, 106, 133, 140, 152, 190, 196, 212, 245, 265, 266, 280, 343, 371, 380, 392, 424, 490, 530, 532, 665, 686, 742, 760, 931, 980, 1007, 1060, 1064, 1330, 1372, 1484, 1715, 1855, 1862, 1960, 2014, 2083, 2120, 2597, 2660, 2744, 2968, 3430, 3710, 3724, 4028, 4166, 4655, 5035, 5194, 5320, 6517, 6860, 7049, 7420, 7448, 8056, 8332, 9310, 10070, 10388, 10415, 12985, 13034, 13720, 14098, 14581, 14840, 16664, 18179, 18620, 20140, 20776, 20830, 25970, 26068, 28196, 29162, 32585, 35245, 36358, 37240, 39577, 40280, 41660, 49343, 51940, 52136, 56392, 58324, 65170, 70490, 72716, 72905, 79154, 83320, 90895, 98686, 102067, 103880, 110399, 116648, 130340, 140980, 145432, 145810, 158308, 181790, 197372, 197885, 204134, 220798, 246715, 260680, 277039, 281960, 291620, 316616, 345401, 363580, 394744, 395770, 408268, 441596, 493430, 510335, 551995, 554078, 583240, 690802, 714469, 727160, 772793, 791540, 816536, 883192, 986860, 1020670, 1103990, 1108156, 1381604, 1385195, 1428938, 1545586, 1583080, 1727005, 1939273, 1973720, 2041340, 2097581, 2207980, 2216312, 2763208, 2770390, 2857876, 3091172, 3454010, 3572345, 3863965, 3878546, 4082680, 4195162, 4415960, 5409551, 5540780, 5715752, 6182344, 6908020, 7144690, 7727930, 7757092, 8390324, 9696365, 10487905, 10819102, 11081560, 13574911, 13816040, 14289380, 14683067, 15455860, 15514184, 16780648, 19392730, 20975810, 21638204, 27047755, 27149822, 28578760, 29366134, 30911720, 37866857, 38785460, 41951620, 43276408, 54095510, 54299644, 58732268, 67874555, 73415335, 75733714, 77570920, 83903240, 102781469, 108191020, 108599288, 117464536, 135749110, 146830670, 151467428, 189334285, 205562938, 216382040, 271498220, 293661340, 302934856, 378668570, 411125876, 513907345, 542996440, 587322680, 719470283, 757337140, 822251752, 1027814690, 1438940566, 1514674280, 2055629380, 2877881132, 3597351415, 4111258760, 5755762264, 7194702830, 14389405660, 28778811320]

約数ペア:

[(1, 28778811320), (2, 14389405660), (4, 7194702830), (5, 5755762264), (7, 4111258760), (8, 3597351415), (10, 2877881132), (14, 2055629380), (19, 1514674280), (20, 1438940566), (28, 1027814690), (35, 822251752), (38, 757337140), (40, 719470283), (49, 587322680), (53, 542996440), (56, 513907345), (70, 411125876), (76, 378668570), (95, 302934856), (98, 293661340), (106, 271498220), (133, 216382040), (140, 205562938), (152, 189334285), (190, 151467428), (196, 146830670), (212, 135749110), (245, 117464536), (265, 108599288), (266, 108191020), (280, 102781469), (343, 83903240), (371, 77570920), (380, 75733714), (392, 73415335), (424, 67874555), (490, 58732268), (530, 54299644), (532, 54095510), (665, 43276408), (686, 41951620), (742, 38785460), (760, 37866857), (931, 30911720), (980, 29366134), (1007, 28578760), (1060, 27149822), (1064, 27047755), (1330, 21638204), (1372, 20975810), (1484, 19392730), (1715, 16780648), (1855, 15514184), (1862, 15455860), (1960, 14683067), (2014, 14289380), (2083, 13816040), (2120, 13574911), (2597, 11081560), (2660, 10819102), (2744, 10487905), (2968, 9696365), (3430, 8390324), (3710, 7757092), (3724, 7727930), (4028, 7144690), (4166, 6908020), (4655, 6182344), (5035, 5715752), (5194, 5540780), (5320, 5409551), (6517, 4415960), (6860, 4195162), (7049, 4082680), (7420, 3878546), (7448, 3863965), (8056, 3572345), (8332, 3454010), (9310, 3091172), (10070, 2857876), (10388, 2770390), (10415, 2763208), (12985, 2216312), (13034, 2207980), (13720, 2097581), (14098, 2041340), (14581, 1973720), (14840, 1939273), (16664, 1727005), (18179, 1583080), (18620, 1545586), (20140, 1428938), (20776, 1385195), (20830, 1381604), (25970, 1108156), (26068, 1103990), (28196, 1020670), (29162, 986860), (32585, 883192), (35245, 816536), (36358, 791540), (37240, 772793), (39577, 727160), (40280, 714469), (41660, 690802), (49343, 583240), (51940, 554078), (52136, 551995), (56392, 510335), (58324, 493430), (65170, 441596), (70490, 408268), (72716, 395770), (72905, 394744), (79154, 363580), (83320, 345401), (90895, 316616), (98686, 291620), (102067, 281960), (103880, 277039), (110399, 260680), (116648, 246715), (130340, 220798), (140980, 204134), (145432, 197885), (145810, 197372), (158308, 181790)]