28460880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5647}}^1$

素因数の和:5673

約数の個数: 120

約数和(自身を含む): 109254912

約数和(自身を除く): 80794032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5647, 11294, 16941, 22588, 28235, 33882, 39529, 45176, 50823, 56470, 67764, 79058, 84705, 90352, 101646, 112940, 118587, 135528, 158116, 169410, 197645, 203292, 225880, 237174, 254115, 271056, 316232, 338820, 355761, 395290, 406584, 451760, 474348, 508230, 592935, 632464, 677640, 711522, 790580, 813168, 948696, 1016460, 1185870, 1355280, 1423044, 1581160, 1778805, 1897392, 2032920, 2371740, 2846088, 3162320, 3557610, 4065840, 4743480, 5692176, 7115220, 9486960, 14230440, 28460880]

約数ペア:

[(1, 28460880), (2, 14230440), (3, 9486960), (4, 7115220), (5, 5692176), (6, 4743480), (7, 4065840), (8, 3557610), (9, 3162320), (10, 2846088), (12, 2371740), (14, 2032920), (15, 1897392), (16, 1778805), (18, 1581160), (20, 1423044), (21, 1355280), (24, 1185870), (28, 1016460), (30, 948696), (35, 813168), (36, 790580), (40, 711522), (42, 677640), (45, 632464), (48, 592935), (56, 508230), (60, 474348), (63, 451760), (70, 406584), (72, 395290), (80, 355761), (84, 338820), (90, 316232), (105, 271056), (112, 254115), (120, 237174), (126, 225880), (140, 203292), (144, 197645), (168, 169410), (180, 158116), (210, 135528), (240, 118587), (252, 112940), (280, 101646), (315, 90352), (336, 84705), (360, 79058), (420, 67764), (504, 56470), (560, 50823), (630, 45176), (720, 39529), (840, 33882), (1008, 28235), (1260, 22588), (1680, 16941), (2520, 11294), (5040, 5647)]