1981355040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{65521}}^1$

素因数の和:65552

約数の個数: 192

約数和(自身を含む): 7925541120

約数和(自身を除く): 5944186080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 65521, 131042, 196563, 262084, 327605, 393126, 458647, 524168, 589689, 655210, 786252, 917294, 982815, 1048336, 1179378, 1310420, 1375941, 1572504, 1769067, 1834588, 1965630, 2096672, 2293235, 2358756, 2620840, 2751882, 2948445, 3145008, 3538134, 3669176, 3931260, 4127823, 4586470, 4717512, 5241680, 5503764, 5896890, 6290016, 6879705, 7076268, 7338352, 7862520, 8255646, 8845335, 9172940, 9435024, 10483360, 11007528, 11793780, 12383469, 13759410, 14152536, 14676704, 15725040, 16511292, 17690670, 18345880, 18870048, 20639115, 22015056, 23587560, 24766938, 27518820, 28305072, 31450080, 33022584, 35381340, 36691760, 41278230, 44030112, 47175120, 49533876, 55037640, 56610144, 61917345, 66045168, 70762680, 73383520, 82556460, 94350240, 99067752, 110075280, 123834690, 132090336, 141525360, 165112920, 198135504, 220150560, 247669380, 283050720, 330225840, 396271008, 495338760, 660451680, 990677520, 1981355040]

約数ペア:

[(1, 1981355040), (2, 990677520), (3, 660451680), (4, 495338760), (5, 396271008), (6, 330225840), (7, 283050720), (8, 247669380), (9, 220150560), (10, 198135504), (12, 165112920), (14, 141525360), (15, 132090336), (16, 123834690), (18, 110075280), (20, 99067752), (21, 94350240), (24, 82556460), (27, 73383520), (28, 70762680), (30, 66045168), (32, 61917345), (35, 56610144), (36, 55037640), (40, 49533876), (42, 47175120), (45, 44030112), (48, 41278230), (54, 36691760), (56, 35381340), (60, 33022584), (63, 31450080), (70, 28305072), (72, 27518820), (80, 24766938), (84, 23587560), (90, 22015056), (96, 20639115), (105, 18870048), (108, 18345880), (112, 17690670), (120, 16511292), (126, 15725040), (135, 14676704), (140, 14152536), (144, 13759410), (160, 12383469), (168, 11793780), (180, 11007528), (189, 10483360), (210, 9435024), (216, 9172940), (224, 8845335), (240, 8255646), (252, 7862520), (270, 7338352), (280, 7076268), (288, 6879705), (315, 6290016), (336, 5896890), (360, 5503764), (378, 5241680), (420, 4717512), (432, 4586470), (480, 4127823), (504, 3931260), (540, 3669176), (560, 3538134), (630, 3145008), (672, 2948445), (720, 2751882), (756, 2620840), (840, 2358756), (864, 2293235), (945, 2096672), (1008, 1965630), (1080, 1834588), (1120, 1769067), (1260, 1572504), (1440, 1375941), (1512, 1310420), (1680, 1179378), (1890, 1048336), (2016, 982815), (2160, 917294), (2520, 786252), (3024, 655210), (3360, 589689), (3780, 524168), (4320, 458647), (5040, 393126), (6048, 327605), (7560, 262084), (10080, 196563), (15120, 131042), (30240, 65521)]