28839480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 93415680

約数和(自身を除く): 64576200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 170, 201, 204, 211, 255, 268, 335, 340, 402, 408, 422, 510, 536, 633, 670, 680, 804, 844, 1005, 1020, 1055, 1139, 1266, 1340, 1608, 1688, 2010, 2040, 2110, 2278, 2532, 2680, 3165, 3417, 3587, 4020, 4220, 4556, 5064, 5695, 6330, 6834, 7174, 8040, 8440, 9112, 10761, 11390, 12660, 13668, 14137, 14348, 17085, 17935, 21522, 22780, 25320, 27336, 28274, 28696, 34170, 35870, 42411, 43044, 45560, 53805, 56548, 68340, 70685, 71740, 84822, 86088, 107610, 113096, 136680, 141370, 143480, 169644, 212055, 215220, 240329, 282740, 339288, 424110, 430440, 480658, 565480, 720987, 848220, 961316, 1201645, 1441974, 1696440, 1922632, 2403290, 2883948, 3604935, 4806580, 5767896, 7209870, 9613160, 14419740, 28839480]

約数ペア:

[(1, 28839480), (2, 14419740), (3, 9613160), (4, 7209870), (5, 5767896), (6, 4806580), (8, 3604935), (10, 2883948), (12, 2403290), (15, 1922632), (17, 1696440), (20, 1441974), (24, 1201645), (30, 961316), (34, 848220), (40, 720987), (51, 565480), (60, 480658), (67, 430440), (68, 424110), (85, 339288), (102, 282740), (120, 240329), (134, 215220), (136, 212055), (170, 169644), (201, 143480), (204, 141370), (211, 136680), (255, 113096), (268, 107610), (335, 86088), (340, 84822), (402, 71740), (408, 70685), (422, 68340), (510, 56548), (536, 53805), (633, 45560), (670, 43044), (680, 42411), (804, 35870), (844, 34170), (1005, 28696), (1020, 28274), (1055, 27336), (1139, 25320), (1266, 22780), (1340, 21522), (1608, 17935), (1688, 17085), (2010, 14348), (2040, 14137), (2110, 13668), (2278, 12660), (2532, 11390), (2680, 10761), (3165, 9112), (3417, 8440), (3587, 8040), (4020, 7174), (4220, 6834), (4556, 6330), (5064, 5695)]