1311621840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2887}}^1$

素因数の和:3537

約数の個数: 120

約数和(自身を含む): 4413372288

約数和(自身を除く): 3101750448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 631, 720, 1262, 1893, 2524, 2887, 3155, 3786, 5048, 5679, 5774, 6310, 7572, 8661, 9465, 10096, 11358, 11548, 12620, 14435, 15144, 17322, 18930, 22716, 23096, 25240, 25983, 28395, 28870, 30288, 34644, 37860, 43305, 45432, 46192, 50480, 51966, 56790, 57740, 69288, 75720, 86610, 90864, 103932, 113580, 115480, 129915, 138576, 151440, 173220, 207864, 227160, 230960, 259830, 346440, 415728, 454320, 519660, 692880, 1039320, 1821697, 2078640, 3643394, 5465091, 7286788, 9108485, 10930182, 14573576, 16395273, 18216970, 21860364, 27325455, 29147152, 32790546, 36433940, 43720728, 54650910, 65581092, 72867880, 81976365, 87441456, 109301820, 131162184, 145735760, 163952730, 218603640, 262324368, 327905460, 437207280, 655810920, 1311621840]

約数ペア:

[(1, 1311621840), (2, 655810920), (3, 437207280), (4, 327905460), (5, 262324368), (6, 218603640), (8, 163952730), (9, 145735760), (10, 131162184), (12, 109301820), (15, 87441456), (16, 81976365), (18, 72867880), (20, 65581092), (24, 54650910), (30, 43720728), (36, 36433940), (40, 32790546), (45, 29147152), (48, 27325455), (60, 21860364), (72, 18216970), (80, 16395273), (90, 14573576), (120, 10930182), (144, 9108485), (180, 7286788), (240, 5465091), (360, 3643394), (631, 2078640), (720, 1821697), (1262, 1039320), (1893, 692880), (2524, 519660), (2887, 454320), (3155, 415728), (3786, 346440), (5048, 259830), (5679, 230960), (5774, 227160), (6310, 207864), (7572, 173220), (8661, 151440), (9465, 138576), (10096, 129915), (11358, 115480), (11548, 113580), (12620, 103932), (14435, 90864), (15144, 86610), (17322, 75720), (18930, 69288), (22716, 57740), (23096, 56790), (25240, 51966), (25983, 50480), (28395, 46192), (28870, 45432), (30288, 43305), (34644, 37860)]