645660720

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{11071}}^1$

素因数の和:11102

約数の個数: 140

約数和(自身を含む): 2250915456

約数和(自身を除く): 1605254736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3645, 3888, 4860, 5832, 6480, 7290, 9720, 11071, 11664, 14580, 19440, 22142, 29160, 33213, 44284, 55355, 58320, 66426, 88568, 99639, 110710, 132852, 166065, 177136, 199278, 221420, 265704, 298917, 332130, 398556, 442840, 498195, 531408, 597834, 664260, 797112, 885680, 896751, 996390, 1195668, 1328520, 1494585, 1594224, 1793502, 1992780, 2391336, 2657040, 2690253, 2989170, 3587004, 3985560, 4483755, 4782672, 5380506, 5978340, 7174008, 7971120, 8070759, 8967510, 10761012, 11956680, 13451265, 14348016, 16141518, 17935020, 21522024, 23913360, 26902530, 32283036, 35870040, 40353795, 43044048, 53805060, 64566072, 71740080, 80707590, 107610120, 129132144, 161415180, 215220240, 322830360, 645660720]

約数ペア:

[(1, 645660720), (2, 322830360), (3, 215220240), (4, 161415180), (5, 129132144), (6, 107610120), (8, 80707590), (9, 71740080), (10, 64566072), (12, 53805060), (15, 43044048), (16, 40353795), (18, 35870040), (20, 32283036), (24, 26902530), (27, 23913360), (30, 21522024), (36, 17935020), (40, 16141518), (45, 14348016), (48, 13451265), (54, 11956680), (60, 10761012), (72, 8967510), (80, 8070759), (81, 7971120), (90, 7174008), (108, 5978340), (120, 5380506), (135, 4782672), (144, 4483755), (162, 3985560), (180, 3587004), (216, 2989170), (240, 2690253), (243, 2657040), (270, 2391336), (324, 1992780), (360, 1793502), (405, 1594224), (432, 1494585), (486, 1328520), (540, 1195668), (648, 996390), (720, 896751), (729, 885680), (810, 797112), (972, 664260), (1080, 597834), (1215, 531408), (1296, 498195), (1458, 442840), (1620, 398556), (1944, 332130), (2160, 298917), (2430, 265704), (2916, 221420), (3240, 199278), (3645, 177136), (3888, 166065), (4860, 132852), (5832, 110710), (6480, 99639), (7290, 88568), (9720, 66426), (11071, 58320), (11664, 55355), (14580, 44284), (19440, 33213), (22142, 29160)]