15906800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 240

約数和(自身を含む): 51663360

約数和(自身を除く): 35756560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 23, 25, 26, 28, 35, 38, 40, 46, 50, 52, 56, 65, 70, 76, 80, 91, 92, 95, 100, 104, 112, 115, 130, 133, 140, 152, 161, 175, 182, 184, 190, 200, 208, 230, 247, 260, 266, 280, 299, 304, 322, 325, 350, 364, 368, 380, 400, 437, 455, 460, 475, 494, 520, 532, 560, 575, 598, 644, 650, 665, 700, 728, 760, 805, 874, 910, 920, 950, 988, 1040, 1064, 1150, 1196, 1235, 1288, 1300, 1330, 1400, 1456, 1495, 1520, 1610, 1729, 1748, 1820, 1840, 1900, 1976, 2093, 2128, 2185, 2275, 2300, 2392, 2470, 2576, 2600, 2660, 2800, 2990, 3059, 3220, 3325, 3458, 3496, 3640, 3800, 3952, 4025, 4186, 4370, 4550, 4600, 4784, 4940, 5200, 5320, 5681, 5980, 6118, 6175, 6440, 6650, 6916, 6992, 7280, 7475, 7600, 8050, 8372, 8645, 8740, 9100, 9200, 9880, 10465, 10640, 10925, 11362, 11960, 12236, 12350, 12880, 13300, 13832, 14950, 15295, 16100, 16744, 17290, 17480, 18200, 19760, 20930, 21850, 22724, 23920, 24472, 24700, 26600, 27664, 28405, 29900, 30590, 32200, 33488, 34580, 34960, 36400, 39767, 41860, 43225, 43700, 45448, 48944, 49400, 52325, 53200, 56810, 59800, 61180, 64400, 69160, 76475, 79534, 83720, 86450, 87400, 90896, 98800, 104650, 113620, 119600, 122360, 138320, 142025, 152950, 159068, 167440, 172900, 174800, 198835, 209300, 227240, 244720, 284050, 305900, 318136, 345800, 397670, 418600, 454480, 568100, 611800, 636272, 691600, 795340, 837200, 994175, 1136200, 1223600, 1590680, 1988350, 2272400, 3181360, 3976700, 7953400, 15906800]

約数ペア:

[(1, 15906800), (2, 7953400), (4, 3976700), (5, 3181360), (7, 2272400), (8, 1988350), (10, 1590680), (13, 1223600), (14, 1136200), (16, 994175), (19, 837200), (20, 795340), (23, 691600), (25, 636272), (26, 611800), (28, 568100), (35, 454480), (38, 418600), (40, 397670), (46, 345800), (50, 318136), (52, 305900), (56, 284050), (65, 244720), (70, 227240), (76, 209300), (80, 198835), (91, 174800), (92, 172900), (95, 167440), (100, 159068), (104, 152950), (112, 142025), (115, 138320), (130, 122360), (133, 119600), (140, 113620), (152, 104650), (161, 98800), (175, 90896), (182, 87400), (184, 86450), (190, 83720), (200, 79534), (208, 76475), (230, 69160), (247, 64400), (260, 61180), (266, 59800), (280, 56810), (299, 53200), (304, 52325), (322, 49400), (325, 48944), (350, 45448), (364, 43700), (368, 43225), (380, 41860), (400, 39767), (437, 36400), (455, 34960), (460, 34580), (475, 33488), (494, 32200), (520, 30590), (532, 29900), (560, 28405), (575, 27664), (598, 26600), (644, 24700), (650, 24472), (665, 23920), (700, 22724), (728, 21850), (760, 20930), (805, 19760), (874, 18200), (910, 17480), (920, 17290), (950, 16744), (988, 16100), (1040, 15295), (1064, 14950), (1150, 13832), (1196, 13300), (1235, 12880), (1288, 12350), (1300, 12236), (1330, 11960), (1400, 11362), (1456, 10925), (1495, 10640), (1520, 10465), (1610, 9880), (1729, 9200), (1748, 9100), (1820, 8740), (1840, 8645), (1900, 8372), (1976, 8050), (2093, 7600), (2128, 7475), (2185, 7280), (2275, 6992), (2300, 6916), (2392, 6650), (2470, 6440), (2576, 6175), (2600, 6118), (2660, 5980), (2800, 5681), (2990, 5320), (3059, 5200), (3220, 4940), (3325, 4784), (3458, 4600), (3496, 4550), (3640, 4370), (3800, 4186), (3952, 4025)]