280437408

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 834043392

約数和(自身を除く): 553605984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 101, 124, 144, 186, 202, 248, 279, 288, 303, 311, 372, 404, 496, 558, 606, 622, 744, 808, 909, 933, 992, 1116, 1212, 1244, 1488, 1616, 1818, 1866, 2232, 2424, 2488, 2799, 2976, 3131, 3232, 3636, 3732, 4464, 4848, 4976, 5598, 6262, 7272, 7464, 8928, 9393, 9641, 9696, 9952, 11196, 12524, 14544, 14928, 18786, 19282, 22392, 25048, 28179, 28923, 29088, 29856, 31411, 37572, 38564, 44784, 50096, 56358, 57846, 62822, 75144, 77128, 86769, 89568, 94233, 100192, 112716, 115692, 125644, 150288, 154256, 173538, 188466, 225432, 231384, 251288, 282699, 300576, 308512, 347076, 376932, 450864, 462768, 502576, 565398, 694152, 753864, 901728, 925536, 973741, 1005152, 1130796, 1388304, 1507728, 1947482, 2261592, 2776608, 2921223, 3015456, 3894964, 4523184, 5842446, 7789928, 8763669, 9046368, 11684892, 15579856, 17527338, 23369784, 31159712, 35054676, 46739568, 70109352, 93479136, 140218704, 280437408]

約数ペア:

[(1, 280437408), (2, 140218704), (3, 93479136), (4, 70109352), (6, 46739568), (8, 35054676), (9, 31159712), (12, 23369784), (16, 17527338), (18, 15579856), (24, 11684892), (31, 9046368), (32, 8763669), (36, 7789928), (48, 5842446), (62, 4523184), (72, 3894964), (93, 3015456), (96, 2921223), (101, 2776608), (124, 2261592), (144, 1947482), (186, 1507728), (202, 1388304), (248, 1130796), (279, 1005152), (288, 973741), (303, 925536), (311, 901728), (372, 753864), (404, 694152), (496, 565398), (558, 502576), (606, 462768), (622, 450864), (744, 376932), (808, 347076), (909, 308512), (933, 300576), (992, 282699), (1116, 251288), (1212, 231384), (1244, 225432), (1488, 188466), (1616, 173538), (1818, 154256), (1866, 150288), (2232, 125644), (2424, 115692), (2488, 112716), (2799, 100192), (2976, 94233), (3131, 89568), (3232, 86769), (3636, 77128), (3732, 75144), (4464, 62822), (4848, 57846), (4976, 56358), (5598, 50096), (6262, 44784), (7272, 38564), (7464, 37572), (8928, 31411), (9393, 29856), (9641, 29088), (9696, 28923), (9952, 28179), (11196, 25048), (12524, 22392), (14544, 19282), (14928, 18786)]