128893440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1330

約数の個数: 160

約数和(自身を含む): 444096576

約数和(自身を除く): 315203136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1291, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 2582, 3120, 3328, 3840, 3873, 4160, 4992, 5164, 6240, 6455, 6656, 7680, 7746, 8320, 9984, 10328, 12480, 12910, 15492, 16640, 16783, 19365, 19968, 20656, 24960, 25820, 30984, 33280, 33566, 38730, 41312, 49920, 50349, 51640, 61968, 67132, 77460, 82624, 83915, 99840, 100698, 103280, 123936, 134264, 154920, 165248, 167830, 201396, 206560, 247872, 251745, 268528, 309840, 330496, 335660, 402792, 413120, 495744, 503490, 537056, 619680, 660992, 671320, 805584, 826240, 991488, 1006980, 1074112, 1239360, 1342640, 1611168, 1652480, 1982976, 2013960, 2148224, 2478720, 2685280, 3222336, 3304960, 4027920, 4296448, 4957440, 5370560, 6444672, 8055840, 8592896, 9914880, 10741120, 12889344, 16111680, 21482240, 25778688, 32223360, 42964480, 64446720, 128893440]

約数ペア:

[(1, 128893440), (2, 64446720), (3, 42964480), (4, 32223360), (5, 25778688), (6, 21482240), (8, 16111680), (10, 12889344), (12, 10741120), (13, 9914880), (15, 8592896), (16, 8055840), (20, 6444672), (24, 5370560), (26, 4957440), (30, 4296448), (32, 4027920), (39, 3304960), (40, 3222336), (48, 2685280), (52, 2478720), (60, 2148224), (64, 2013960), (65, 1982976), (78, 1652480), (80, 1611168), (96, 1342640), (104, 1239360), (120, 1074112), (128, 1006980), (130, 991488), (156, 826240), (160, 805584), (192, 671320), (195, 660992), (208, 619680), (240, 537056), (256, 503490), (260, 495744), (312, 413120), (320, 402792), (384, 335660), (390, 330496), (416, 309840), (480, 268528), (512, 251745), (520, 247872), (624, 206560), (640, 201396), (768, 167830), (780, 165248), (832, 154920), (960, 134264), (1040, 123936), (1248, 103280), (1280, 100698), (1291, 99840), (1536, 83915), (1560, 82624), (1664, 77460), (1920, 67132), (2080, 61968), (2496, 51640), (2560, 50349), (2582, 49920), (3120, 41312), (3328, 38730), (3840, 33566), (3873, 33280), (4160, 30984), (4992, 25820), (5164, 24960), (6240, 20656), (6455, 19968), (6656, 19365), (7680, 16783), (7746, 16640), (8320, 15492), (9984, 12910), (10328, 12480)]