201780720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31139}}^1$

素因数の和:31164

約数の個数: 100

約数和(自身を含む): 700836840

約数和(自身を除く): 499056120

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 31139, 62278, 93417, 124556, 155695, 186834, 249112, 280251, 311390, 373668, 467085, 498224, 560502, 622780, 747336, 840753, 934170, 1121004, 1245560, 1401255, 1494672, 1681506, 1868340, 2242008, 2491120, 2522259, 2802510, 3363012, 3736680, 4203765, 4484016, 5044518, 5605020, 6726024, 7473360, 8407530, 10089036, 11210040, 12611295, 13452048, 16815060, 20178072, 22420080, 25222590, 33630120, 40356144, 50445180, 67260240, 100890360, 201780720]

約数ペア:

[(1, 201780720), (2, 100890360), (3, 67260240), (4, 50445180), (5, 40356144), (6, 33630120), (8, 25222590), (9, 22420080), (10, 20178072), (12, 16815060), (15, 13452048), (16, 12611295), (18, 11210040), (20, 10089036), (24, 8407530), (27, 7473360), (30, 6726024), (36, 5605020), (40, 5044518), (45, 4484016), (48, 4203765), (54, 3736680), (60, 3363012), (72, 2802510), (80, 2522259), (81, 2491120), (90, 2242008), (108, 1868340), (120, 1681506), (135, 1494672), (144, 1401255), (162, 1245560), (180, 1121004), (216, 934170), (240, 840753), (270, 747336), (324, 622780), (360, 560502), (405, 498224), (432, 467085), (540, 373668), (648, 311390), (720, 280251), (810, 249112), (1080, 186834), (1296, 155695), (1620, 124556), (2160, 93417), (3240, 62278), (6480, 31139)]