277881240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25447}}^1$

素因数の和:25481

約数の個数: 128

約数和(自身を含む): 1026063360

約数和(自身を除く): 748182120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 25447, 50894, 76341, 101788, 127235, 152682, 178129, 203576, 254470, 305364, 330811, 356258, 381705, 508940, 534387, 610728, 661622, 712516, 763410, 890645, 992433, 1017880, 1068774, 1323244, 1425032, 1526820, 1654055, 1781290, 1984866, 2137548, 2315677, 2646488, 2671935, 3053640, 3308110, 3562580, 3969732, 4275096, 4631354, 4962165, 5343870, 6616220, 6947031, 7125160, 7939464, 9262708, 9924330, 10687740, 11578385, 13232440, 13894062, 18525416, 19848660, 21375480, 23156770, 27788124, 34735155, 39697320, 46313540, 55576248, 69470310, 92627080, 138940620, 277881240]

約数ペア:

[(1, 277881240), (2, 138940620), (3, 92627080), (4, 69470310), (5, 55576248), (6, 46313540), (7, 39697320), (8, 34735155), (10, 27788124), (12, 23156770), (13, 21375480), (14, 19848660), (15, 18525416), (20, 13894062), (21, 13232440), (24, 11578385), (26, 10687740), (28, 9924330), (30, 9262708), (35, 7939464), (39, 7125160), (40, 6947031), (42, 6616220), (52, 5343870), (56, 4962165), (60, 4631354), (65, 4275096), (70, 3969732), (78, 3562580), (84, 3308110), (91, 3053640), (104, 2671935), (105, 2646488), (120, 2315677), (130, 2137548), (140, 1984866), (156, 1781290), (168, 1654055), (182, 1526820), (195, 1425032), (210, 1323244), (260, 1068774), (273, 1017880), (280, 992433), (312, 890645), (364, 763410), (390, 712516), (420, 661622), (455, 610728), (520, 534387), (546, 508940), (728, 381705), (780, 356258), (840, 330811), (910, 305364), (1092, 254470), (1365, 203576), (1560, 178129), (1820, 152682), (2184, 127235), (2730, 101788), (3640, 76341), (5460, 50894), (10920, 25447)]