20502561240

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{301331}}^1$

素因数の和:301364

約数の個数: 192

約数和(自身を含む): 78973090560

約数和(自身を除く): 58470529320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 34020, 68040, 301331, 602662, 903993, 1205324, 1506655, 1807986, 2109317, 2410648, 2711979, 3013310, 3615972, 4218634, 4519965, 5423958, 6026620, 6327951, 7231944, 8135937, 8437268, 9039930, 10546585, 10847916, 12053240, 12655902, 13559895, 16271874, 16874536, 18079860, 18983853, 21093170, 21695832, 24407811, 25311804, 27119790, 31639755, 32543748, 36159720, 37967706, 40679685, 42186340, 48815622, 50623608, 54239580, 56951559, 63279510, 65087496, 73223433, 75935412, 81359370, 84372680, 94919265, 97631244, 108479160, 113903118, 122039055, 126559020, 146446866, 151870824, 162718740, 170854677, 189838530, 195262488, 227806236, 244078110, 253118040, 284757795, 292893732, 325437480, 341709354, 366117165, 379677060, 455612472, 488156220, 512564031, 569515590, 585787464, 683418708, 732234330, 759354120, 854273385, 976312440, 1025128062, 1139031180, 1366837416, 1464468660, 1708546770, 2050256124, 2278062360, 2562820155, 2928937320, 3417093540, 4100512248, 5125640310, 6834187080, 10251280620, 20502561240]

約数ペア:

[(1, 20502561240), (2, 10251280620), (3, 6834187080), (4, 5125640310), (5, 4100512248), (6, 3417093540), (7, 2928937320), (8, 2562820155), (9, 2278062360), (10, 2050256124), (12, 1708546770), (14, 1464468660), (15, 1366837416), (18, 1139031180), (20, 1025128062), (21, 976312440), (24, 854273385), (27, 759354120), (28, 732234330), (30, 683418708), (35, 585787464), (36, 569515590), (40, 512564031), (42, 488156220), (45, 455612472), (54, 379677060), (56, 366117165), (60, 341709354), (63, 325437480), (70, 292893732), (72, 284757795), (81, 253118040), (84, 244078110), (90, 227806236), (105, 195262488), (108, 189838530), (120, 170854677), (126, 162718740), (135, 151870824), (140, 146446866), (162, 126559020), (168, 122039055), (180, 113903118), (189, 108479160), (210, 97631244), (216, 94919265), (243, 84372680), (252, 81359370), (270, 75935412), (280, 73223433), (315, 65087496), (324, 63279510), (360, 56951559), (378, 54239580), (405, 50623608), (420, 48815622), (486, 42186340), (504, 40679685), (540, 37967706), (567, 36159720), (630, 32543748), (648, 31639755), (756, 27119790), (810, 25311804), (840, 24407811), (945, 21695832), (972, 21093170), (1080, 18983853), (1134, 18079860), (1215, 16874536), (1260, 16271874), (1512, 13559895), (1620, 12655902), (1701, 12053240), (1890, 10847916), (1944, 10546585), (2268, 9039930), (2430, 8437268), (2520, 8135937), (2835, 7231944), (3240, 6327951), (3402, 6026620), (3780, 5423958), (4536, 4519965), (4860, 4218634), (5670, 3615972), (6804, 3013310), (7560, 2711979), (8505, 2410648), (9720, 2109317), (11340, 1807986), (13608, 1506655), (17010, 1205324), (22680, 903993), (34020, 602662), (68040, 301331)]