263216880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 947082240

約数和(自身を除く): 683865360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 271, 284, 285, 304, 342, 355, 360, 380, 426, 456, 542, 568, 570, 639, 684, 710, 720, 760, 813, 852, 855, 912, 1065, 1084, 1136, 1140, 1278, 1349, 1355, 1368, 1420, 1520, 1626, 1704, 1710, 2130, 2168, 2280, 2439, 2556, 2698, 2710, 2736, 2840, 3195, 3252, 3408, 3420, 4047, 4065, 4260, 4336, 4560, 4878, 5112, 5149, 5396, 5420, 5680, 6390, 6504, 6745, 6840, 8094, 8130, 8520, 9756, 10224, 10298, 10792, 10840, 12141, 12195, 12780, 13008, 13490, 13680, 15447, 16188, 16260, 17040, 19241, 19512, 20235, 20596, 21584, 21680, 24282, 24390, 25560, 25745, 26980, 30894, 32376, 32520, 38482, 39024, 40470, 41192, 46341, 48564, 48780, 51120, 51490, 53960, 57723, 60705, 61788, 64752, 65040, 76964, 77235, 80940, 82384, 92682, 96205, 97128, 97560, 102980, 107920, 115446, 121410, 123576, 153928, 154470, 161880, 173169, 185364, 192410, 194256, 195120, 205960, 230892, 231705, 242820, 247152, 288615, 307856, 308940, 323760, 346338, 365579, 370728, 384820, 411920, 461784, 463410, 485640, 577230, 617880, 692676, 731158, 741456, 769640, 865845, 923568, 926820, 971280, 1096737, 1154460, 1235760, 1385352, 1462316, 1539280, 1731690, 1827895, 1853640, 2193474, 2308920, 2770704, 2924632, 3290211, 3463380, 3655790, 3707280, 4386948, 4617840, 5483685, 5849264, 6580422, 6926760, 7311580, 8773896, 10967370, 13160844, 13853520, 14623160, 16451055, 17547792, 21934740, 26321688, 29246320, 32902110, 43869480, 52643376, 65804220, 87738960, 131608440, 263216880]

約数ペア:

[(1, 263216880), (2, 131608440), (3, 87738960), (4, 65804220), (5, 52643376), (6, 43869480), (8, 32902110), (9, 29246320), (10, 26321688), (12, 21934740), (15, 17547792), (16, 16451055), (18, 14623160), (19, 13853520), (20, 13160844), (24, 10967370), (30, 8773896), (36, 7311580), (38, 6926760), (40, 6580422), (45, 5849264), (48, 5483685), (57, 4617840), (60, 4386948), (71, 3707280), (72, 3655790), (76, 3463380), (80, 3290211), (90, 2924632), (95, 2770704), (114, 2308920), (120, 2193474), (142, 1853640), (144, 1827895), (152, 1731690), (171, 1539280), (180, 1462316), (190, 1385352), (213, 1235760), (228, 1154460), (240, 1096737), (271, 971280), (284, 926820), (285, 923568), (304, 865845), (342, 769640), (355, 741456), (360, 731158), (380, 692676), (426, 617880), (456, 577230), (542, 485640), (568, 463410), (570, 461784), (639, 411920), (684, 384820), (710, 370728), (720, 365579), (760, 346338), (813, 323760), (852, 308940), (855, 307856), (912, 288615), (1065, 247152), (1084, 242820), (1136, 231705), (1140, 230892), (1278, 205960), (1349, 195120), (1355, 194256), (1368, 192410), (1420, 185364), (1520, 173169), (1626, 161880), (1704, 154470), (1710, 153928), (2130, 123576), (2168, 121410), (2280, 115446), (2439, 107920), (2556, 102980), (2698, 97560), (2710, 97128), (2736, 96205), (2840, 92682), (3195, 82384), (3252, 80940), (3408, 77235), (3420, 76964), (4047, 65040), (4065, 64752), (4260, 61788), (4336, 60705), (4560, 57723), (4878, 53960), (5112, 51490), (5149, 51120), (5396, 48780), (5420, 48564), (5680, 46341), (6390, 41192), (6504, 40470), (6745, 39024), (6840, 38482), (8094, 32520), (8130, 32376), (8520, 30894), (9756, 26980), (10224, 25745), (10298, 25560), (10792, 24390), (10840, 24282), (12141, 21680), (12195, 21584), (12780, 20596), (13008, 20235), (13490, 19512), (13680, 19241), (15447, 17040), (16188, 16260)]