280165600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 839946240

約数和(自身を除く): 559780640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 31, 32, 40, 44, 50, 52, 55, 62, 65, 79, 80, 88, 100, 104, 110, 124, 130, 143, 155, 158, 160, 176, 200, 208, 220, 248, 260, 275, 286, 310, 316, 325, 341, 352, 395, 400, 403, 416, 440, 496, 520, 550, 572, 620, 632, 650, 682, 715, 775, 790, 800, 806, 869, 880, 992, 1027, 1040, 1100, 1144, 1240, 1264, 1300, 1364, 1430, 1550, 1580, 1612, 1705, 1738, 1760, 1975, 2015, 2054, 2080, 2200, 2288, 2449, 2480, 2528, 2600, 2728, 2860, 3100, 3160, 3224, 3410, 3476, 3575, 3950, 4030, 4108, 4345, 4400, 4433, 4576, 4898, 4960, 5135, 5200, 5456, 5720, 6200, 6320, 6448, 6820, 6952, 7150, 7900, 8060, 8216, 8525, 8690, 8800, 8866, 9796, 10075, 10270, 10400, 10912, 11297, 11440, 12245, 12400, 12640, 12896, 13640, 13904, 14300, 15800, 16120, 16432, 17050, 17380, 17732, 19592, 20150, 20540, 21725, 22165, 22594, 22880, 24490, 24800, 25675, 26939, 27280, 27808, 28600, 31600, 31837, 32240, 32864, 34100, 34760, 35464, 39184, 40300, 41080, 43450, 44330, 45188, 48980, 51350, 53878, 54560, 56485, 57200, 61225, 63200, 63674, 64480, 68200, 69520, 70928, 78368, 80600, 82160, 86900, 88660, 90376, 97960, 102700, 107756, 110825, 112970, 114400, 122450, 127348, 134695, 136400, 139040, 141856, 159185, 161200, 164320, 173800, 177320, 180752, 195920, 205400, 215512, 221650, 225940, 244900, 254696, 269390, 272800, 282425, 318370, 322400, 347600, 350207, 354640, 361504, 391840, 410800, 431024, 443300, 451880, 489800, 509392, 538780, 564850, 636740, 673475, 695200, 700414, 709280, 795925, 821600, 862048, 886600, 903760, 979600, 1018784, 1077560, 1129700, 1273480, 1346950, 1400828, 1591850, 1751035, 1773200, 1807520, 1959200, 2155120, 2259400, 2546960, 2693900, 2801656, 3183700, 3502070, 3546400, 4310240, 4518800, 5093920, 5387800, 5603312, 6367400, 7004140, 8755175, 9037600, 10775600, 11206624, 12734800, 14008280, 17510350, 21551200, 25469600, 28016560, 35020700, 56033120, 70041400, 140082800, 280165600]

約数ペア:

[(1, 280165600), (2, 140082800), (4, 70041400), (5, 56033120), (8, 35020700), (10, 28016560), (11, 25469600), (13, 21551200), (16, 17510350), (20, 14008280), (22, 12734800), (25, 11206624), (26, 10775600), (31, 9037600), (32, 8755175), (40, 7004140), (44, 6367400), (50, 5603312), (52, 5387800), (55, 5093920), (62, 4518800), (65, 4310240), (79, 3546400), (80, 3502070), (88, 3183700), (100, 2801656), (104, 2693900), (110, 2546960), (124, 2259400), (130, 2155120), (143, 1959200), (155, 1807520), (158, 1773200), (160, 1751035), (176, 1591850), (200, 1400828), (208, 1346950), (220, 1273480), (248, 1129700), (260, 1077560), (275, 1018784), (286, 979600), (310, 903760), (316, 886600), (325, 862048), (341, 821600), (352, 795925), (395, 709280), (400, 700414), (403, 695200), (416, 673475), (440, 636740), (496, 564850), (520, 538780), (550, 509392), (572, 489800), (620, 451880), (632, 443300), (650, 431024), (682, 410800), (715, 391840), (775, 361504), (790, 354640), (800, 350207), (806, 347600), (869, 322400), (880, 318370), (992, 282425), (1027, 272800), (1040, 269390), (1100, 254696), (1144, 244900), (1240, 225940), (1264, 221650), (1300, 215512), (1364, 205400), (1430, 195920), (1550, 180752), (1580, 177320), (1612, 173800), (1705, 164320), (1738, 161200), (1760, 159185), (1975, 141856), (2015, 139040), (2054, 136400), (2080, 134695), (2200, 127348), (2288, 122450), (2449, 114400), (2480, 112970), (2528, 110825), (2600, 107756), (2728, 102700), (2860, 97960), (3100, 90376), (3160, 88660), (3224, 86900), (3410, 82160), (3476, 80600), (3575, 78368), (3950, 70928), (4030, 69520), (4108, 68200), (4345, 64480), (4400, 63674), (4433, 63200), (4576, 61225), (4898, 57200), (4960, 56485), (5135, 54560), (5200, 53878), (5456, 51350), (5720, 48980), (6200, 45188), (6320, 44330), (6448, 43450), (6820, 41080), (6952, 40300), (7150, 39184), (7900, 35464), (8060, 34760), (8216, 34100), (8525, 32864), (8690, 32240), (8800, 31837), (8866, 31600), (9796, 28600), (10075, 27808), (10270, 27280), (10400, 26939), (10912, 25675), (11297, 24800), (11440, 24490), (12245, 22880), (12400, 22594), (12640, 22165), (12896, 21725), (13640, 20540), (13904, 20150), (14300, 19592), (15800, 17732), (16120, 17380), (16432, 17050)]