85982220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 283745280

約数和(自身を除く): 197763060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 811, 855, 930, 1116, 1140, 1178, 1395, 1622, 1710, 1767, 1860, 2356, 2433, 2790, 2945, 3244, 3420, 3534, 4055, 4866, 5301, 5580, 5890, 7068, 7299, 8110, 8835, 9732, 10602, 11780, 12165, 14598, 15409, 16220, 17670, 21204, 24330, 25141, 26505, 29196, 30818, 35340, 36495, 46227, 48660, 50282, 53010, 61636, 72990, 75423, 77045, 92454, 100564, 106020, 125705, 138681, 145980, 150846, 154090, 184908, 226269, 231135, 251410, 277362, 301692, 308180, 377115, 452538, 462270, 477679, 502820, 554724, 693405, 754230, 905076, 924540, 955358, 1131345, 1386810, 1433037, 1508460, 1910716, 2262690, 2388395, 2773620, 2866074, 4299111, 4525380, 4776790, 5732148, 7165185, 8598222, 9553580, 14330370, 17196444, 21495555, 28660740, 42991110, 85982220]

約数ペア:

[(1, 85982220), (2, 42991110), (3, 28660740), (4, 21495555), (5, 17196444), (6, 14330370), (9, 9553580), (10, 8598222), (12, 7165185), (15, 5732148), (18, 4776790), (19, 4525380), (20, 4299111), (30, 2866074), (31, 2773620), (36, 2388395), (38, 2262690), (45, 1910716), (57, 1508460), (60, 1433037), (62, 1386810), (76, 1131345), (90, 955358), (93, 924540), (95, 905076), (114, 754230), (124, 693405), (155, 554724), (171, 502820), (180, 477679), (186, 462270), (190, 452538), (228, 377115), (279, 308180), (285, 301692), (310, 277362), (342, 251410), (372, 231135), (380, 226269), (465, 184908), (558, 154090), (570, 150846), (589, 145980), (620, 138681), (684, 125705), (811, 106020), (855, 100564), (930, 92454), (1116, 77045), (1140, 75423), (1178, 72990), (1395, 61636), (1622, 53010), (1710, 50282), (1767, 48660), (1860, 46227), (2356, 36495), (2433, 35340), (2790, 30818), (2945, 29196), (3244, 26505), (3420, 25141), (3534, 24330), (4055, 21204), (4866, 17670), (5301, 16220), (5580, 15409), (5890, 14598), (7068, 12165), (7299, 11780), (8110, 10602), (8835, 9732)]