20087315280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{489457}}^1$

素因数の和:489498

約数の個数: 160

約数和(自身を含む): 72831350400

約数和(自身を除く): 52744035120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 20520, 41040, 489457, 978914, 1468371, 1957828, 2447285, 2936742, 3915656, 4405113, 4894570, 5873484, 7341855, 7831312, 8810226, 9299683, 9789140, 11746968, 13215339, 14683710, 17620452, 18599366, 19578280, 22025565, 23493936, 26430678, 27899049, 29367420, 35240904, 37198732, 39156560, 44051130, 46498415, 52861356, 55798098, 58734840, 66076695, 70481808, 74397464, 83697147, 88102260, 92996830, 105722712, 111596196, 117469680, 132153390, 139495245, 148794928, 167394294, 176204520, 185993660, 211445424, 223192392, 251091441, 264306780, 278990490, 334788588, 352409040, 371987320, 418485735, 446384784, 502182882, 528613560, 557980980, 669577176, 743974640, 836971470, 1004365764, 1057227120, 1115961960, 1255457205, 1339154352, 1673942940, 2008731528, 2231923920, 2510914410, 3347885880, 4017463056, 5021828820, 6695771760, 10043657640, 20087315280]

約数ペア:

[(1, 20087315280), (2, 10043657640), (3, 6695771760), (4, 5021828820), (5, 4017463056), (6, 3347885880), (8, 2510914410), (9, 2231923920), (10, 2008731528), (12, 1673942940), (15, 1339154352), (16, 1255457205), (18, 1115961960), (19, 1057227120), (20, 1004365764), (24, 836971470), (27, 743974640), (30, 669577176), (36, 557980980), (38, 528613560), (40, 502182882), (45, 446384784), (48, 418485735), (54, 371987320), (57, 352409040), (60, 334788588), (72, 278990490), (76, 264306780), (80, 251091441), (90, 223192392), (95, 211445424), (108, 185993660), (114, 176204520), (120, 167394294), (135, 148794928), (144, 139495245), (152, 132153390), (171, 117469680), (180, 111596196), (190, 105722712), (216, 92996830), (228, 88102260), (240, 83697147), (270, 74397464), (285, 70481808), (304, 66076695), (342, 58734840), (360, 55798098), (380, 52861356), (432, 46498415), (456, 44051130), (513, 39156560), (540, 37198732), (570, 35240904), (684, 29367420), (720, 27899049), (760, 26430678), (855, 23493936), (912, 22025565), (1026, 19578280), (1080, 18599366), (1140, 17620452), (1368, 14683710), (1520, 13215339), (1710, 11746968), (2052, 9789140), (2160, 9299683), (2280, 8810226), (2565, 7831312), (2736, 7341855), (3420, 5873484), (4104, 4894570), (4560, 4405113), (5130, 3915656), (6840, 2936742), (8208, 2447285), (10260, 1957828), (13680, 1468371), (20520, 978914), (41040, 489457)]