128108640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1325

約数の個数: 192

約数和(自身を含む): 463760640

約数和(自身を除く): 335652000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 760, 836, 880, 912, 1045, 1056, 1140, 1254, 1277, 1320, 1520, 1672, 1760, 1824, 2090, 2280, 2508, 2554, 2640, 3040, 3135, 3344, 3831, 4180, 4560, 5016, 5108, 5280, 6270, 6385, 6688, 7662, 8360, 9120, 10032, 10216, 12540, 12770, 14047, 15324, 16720, 19155, 20064, 20432, 24263, 25080, 25540, 28094, 30648, 33440, 38310, 40864, 42141, 48526, 50160, 51080, 56188, 61296, 70235, 72789, 76620, 84282, 97052, 100320, 102160, 112376, 121315, 122592, 140470, 145578, 153240, 168564, 194104, 204320, 210705, 224752, 242630, 266893, 280940, 291156, 306480, 337128, 363945, 388208, 421410, 449504, 485260, 533786, 561880, 582312, 612960, 674256, 727890, 776416, 800679, 842820, 970520, 1067572, 1123760, 1164624, 1334465, 1348512, 1455780, 1601358, 1685640, 1941040, 2135144, 2247520, 2329248, 2668930, 2911560, 3202716, 3371280, 3882080, 4003395, 4270288, 5337860, 5823120, 6405432, 6742560, 8006790, 8540576, 10675720, 11646240, 12810864, 16013580, 21351440, 25621728, 32027160, 42702880, 64054320, 128108640]

約数ペア:

[(1, 128108640), (2, 64054320), (3, 42702880), (4, 32027160), (5, 25621728), (6, 21351440), (8, 16013580), (10, 12810864), (11, 11646240), (12, 10675720), (15, 8540576), (16, 8006790), (19, 6742560), (20, 6405432), (22, 5823120), (24, 5337860), (30, 4270288), (32, 4003395), (33, 3882080), (38, 3371280), (40, 3202716), (44, 2911560), (48, 2668930), (55, 2329248), (57, 2247520), (60, 2135144), (66, 1941040), (76, 1685640), (80, 1601358), (88, 1455780), (95, 1348512), (96, 1334465), (110, 1164624), (114, 1123760), (120, 1067572), (132, 970520), (152, 842820), (160, 800679), (165, 776416), (176, 727890), (190, 674256), (209, 612960), (220, 582312), (228, 561880), (240, 533786), (264, 485260), (285, 449504), (304, 421410), (330, 388208), (352, 363945), (380, 337128), (418, 306480), (440, 291156), (456, 280940), (480, 266893), (528, 242630), (570, 224752), (608, 210705), (627, 204320), (660, 194104), (760, 168564), (836, 153240), (880, 145578), (912, 140470), (1045, 122592), (1056, 121315), (1140, 112376), (1254, 102160), (1277, 100320), (1320, 97052), (1520, 84282), (1672, 76620), (1760, 72789), (1824, 70235), (2090, 61296), (2280, 56188), (2508, 51080), (2554, 50160), (2640, 48526), (3040, 42141), (3135, 40864), (3344, 38310), (3831, 33440), (4180, 30648), (4560, 28094), (5016, 25540), (5108, 25080), (5280, 24263), (6270, 20432), (6385, 20064), (6688, 19155), (7662, 16720), (8360, 15324), (9120, 14047), (10032, 12770), (10216, 12540)]