238920720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1953

約数の個数: 160

約数和(自身を含む): 809948160

約数和(自身を除く): 571027440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 1889, 2040, 2108, 2480, 2635, 3162, 3720, 3778, 4080, 4216, 5270, 5667, 6324, 7440, 7556, 7905, 8432, 9445, 10540, 11334, 12648, 15112, 15810, 18890, 21080, 22668, 25296, 28335, 30224, 31620, 32113, 37780, 42160, 45336, 56670, 58559, 63240, 64226, 75560, 90672, 96339, 113340, 117118, 126480, 128452, 151120, 160565, 175677, 192678, 226680, 234236, 256904, 292795, 321130, 351354, 385356, 453360, 468472, 481695, 513808, 585590, 642260, 702708, 770712, 878385, 936944, 963390, 995503, 1171180, 1284520, 1405416, 1541424, 1756770, 1926780, 1991006, 2342360, 2569040, 2810832, 2986509, 3513540, 3853560, 3982012, 4684720, 4977515, 5973018, 7027080, 7707120, 7964024, 9955030, 11946036, 14054160, 14932545, 15928048, 19910060, 23892072, 29865090, 39820120, 47784144, 59730180, 79640240, 119460360, 238920720]

約数ペア:

[(1, 238920720), (2, 119460360), (3, 79640240), (4, 59730180), (5, 47784144), (6, 39820120), (8, 29865090), (10, 23892072), (12, 19910060), (15, 15928048), (16, 14932545), (17, 14054160), (20, 11946036), (24, 9955030), (30, 7964024), (31, 7707120), (34, 7027080), (40, 5973018), (48, 4977515), (51, 4684720), (60, 3982012), (62, 3853560), (68, 3513540), (80, 2986509), (85, 2810832), (93, 2569040), (102, 2342360), (120, 1991006), (124, 1926780), (136, 1756770), (155, 1541424), (170, 1405416), (186, 1284520), (204, 1171180), (240, 995503), (248, 963390), (255, 936944), (272, 878385), (310, 770712), (340, 702708), (372, 642260), (408, 585590), (465, 513808), (496, 481695), (510, 468472), (527, 453360), (620, 385356), (680, 351354), (744, 321130), (816, 292795), (930, 256904), (1020, 234236), (1054, 226680), (1240, 192678), (1360, 175677), (1488, 160565), (1581, 151120), (1860, 128452), (1889, 126480), (2040, 117118), (2108, 113340), (2480, 96339), (2635, 90672), (3162, 75560), (3720, 64226), (3778, 63240), (4080, 58559), (4216, 56670), (5270, 45336), (5667, 42160), (6324, 37780), (7440, 32113), (7556, 31620), (7905, 30224), (8432, 28335), (9445, 25296), (10540, 22668), (11334, 21080), (12648, 18890), (15112, 15810)]