180721320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 256

約数和(自身を含む): 625121280

約数和(自身を除く): 444399960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 37, 39, 40, 52, 60, 62, 65, 74, 78, 93, 101, 104, 111, 120, 124, 130, 148, 155, 156, 185, 186, 195, 202, 222, 248, 260, 296, 303, 310, 312, 370, 372, 390, 403, 404, 444, 465, 481, 505, 520, 555, 606, 620, 740, 744, 780, 806, 808, 888, 930, 962, 1010, 1110, 1147, 1209, 1212, 1240, 1313, 1443, 1480, 1515, 1560, 1612, 1860, 1924, 2015, 2020, 2220, 2294, 2405, 2418, 2424, 2626, 2886, 3030, 3131, 3224, 3441, 3720, 3737, 3848, 3939, 4030, 4040, 4440, 4588, 4810, 4836, 5252, 5735, 5772, 6045, 6060, 6262, 6565, 6882, 7215, 7474, 7878, 8060, 9176, 9393, 9620, 9672, 10504, 11211, 11470, 11544, 12090, 12120, 12524, 13130, 13764, 14430, 14911, 14948, 15655, 15756, 16120, 17205, 18685, 18786, 19240, 19695, 22422, 22940, 24180, 25048, 26260, 27528, 28860, 29822, 29896, 31310, 31512, 34410, 37370, 37572, 39390, 40703, 44733, 44844, 45880, 46965, 48360, 48581, 52520, 56055, 57720, 59644, 62620, 68820, 74555, 74740, 75144, 78780, 81406, 89466, 89688, 93930, 97162, 112110, 115847, 119288, 122109, 125240, 137640, 145743, 149110, 149480, 157560, 162812, 178932, 187860, 194324, 203515, 223665, 224220, 231694, 242905, 244218, 291486, 298220, 325624, 347541, 357864, 375720, 388648, 407030, 447330, 448440, 463388, 485810, 488436, 579235, 582972, 596440, 610545, 695082, 728715, 814060, 894660, 926776, 971620, 976872, 1158470, 1165944, 1221090, 1390164, 1457430, 1506011, 1628120, 1737705, 1789320, 1943240, 2316940, 2442180, 2780328, 2914860, 3012022, 3475410, 4518033, 4633880, 4884360, 5829720, 6024044, 6950820, 7530055, 9036066, 12048088, 13901640, 15060110, 18072132, 22590165, 30120220, 36144264, 45180330, 60240440, 90360660, 180721320]

約数ペア:

[(1, 180721320), (2, 90360660), (3, 60240440), (4, 45180330), (5, 36144264), (6, 30120220), (8, 22590165), (10, 18072132), (12, 15060110), (13, 13901640), (15, 12048088), (20, 9036066), (24, 7530055), (26, 6950820), (30, 6024044), (31, 5829720), (37, 4884360), (39, 4633880), (40, 4518033), (52, 3475410), (60, 3012022), (62, 2914860), (65, 2780328), (74, 2442180), (78, 2316940), (93, 1943240), (101, 1789320), (104, 1737705), (111, 1628120), (120, 1506011), (124, 1457430), (130, 1390164), (148, 1221090), (155, 1165944), (156, 1158470), (185, 976872), (186, 971620), (195, 926776), (202, 894660), (222, 814060), (248, 728715), (260, 695082), (296, 610545), (303, 596440), (310, 582972), (312, 579235), (370, 488436), (372, 485810), (390, 463388), (403, 448440), (404, 447330), (444, 407030), (465, 388648), (481, 375720), (505, 357864), (520, 347541), (555, 325624), (606, 298220), (620, 291486), (740, 244218), (744, 242905), (780, 231694), (806, 224220), (808, 223665), (888, 203515), (930, 194324), (962, 187860), (1010, 178932), (1110, 162812), (1147, 157560), (1209, 149480), (1212, 149110), (1240, 145743), (1313, 137640), (1443, 125240), (1480, 122109), (1515, 119288), (1560, 115847), (1612, 112110), (1860, 97162), (1924, 93930), (2015, 89688), (2020, 89466), (2220, 81406), (2294, 78780), (2405, 75144), (2418, 74740), (2424, 74555), (2626, 68820), (2886, 62620), (3030, 59644), (3131, 57720), (3224, 56055), (3441, 52520), (3720, 48581), (3737, 48360), (3848, 46965), (3939, 45880), (4030, 44844), (4040, 44733), (4440, 40703), (4588, 39390), (4810, 37572), (4836, 37370), (5252, 34410), (5735, 31512), (5772, 31310), (6045, 29896), (6060, 29822), (6262, 28860), (6565, 27528), (6882, 26260), (7215, 25048), (7474, 24180), (7878, 22940), (8060, 22422), (9176, 19695), (9393, 19240), (9620, 18786), (9672, 18685), (10504, 17205), (11211, 16120), (11470, 15756), (11544, 15655), (12090, 14948), (12120, 14911), (12524, 14430), (13130, 13764)]