18485100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 64995840

約数和(自身を除く): 46510740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 25, 30, 36, 38, 45, 46, 47, 50, 57, 60, 69, 75, 76, 90, 92, 94, 95, 100, 114, 115, 138, 141, 150, 171, 180, 188, 190, 207, 225, 228, 230, 235, 276, 282, 285, 300, 342, 345, 380, 414, 423, 437, 450, 460, 470, 475, 564, 570, 575, 684, 690, 705, 828, 846, 855, 874, 893, 900, 940, 950, 1035, 1081, 1140, 1150, 1175, 1311, 1380, 1410, 1425, 1692, 1710, 1725, 1748, 1786, 1900, 2070, 2115, 2162, 2185, 2300, 2350, 2622, 2679, 2820, 2850, 3243, 3420, 3450, 3525, 3572, 3933, 4140, 4230, 4275, 4324, 4370, 4465, 4700, 5175, 5244, 5358, 5405, 5700, 6486, 6555, 6900, 7050, 7866, 8037, 8460, 8550, 8740, 8930, 9729, 10350, 10575, 10716, 10810, 10925, 12972, 13110, 13395, 14100, 15732, 16074, 16215, 17100, 17860, 19458, 19665, 20539, 20700, 21150, 21620, 21850, 22325, 26220, 26790, 27025, 32148, 32430, 32775, 38916, 39330, 40185, 41078, 42300, 43700, 44650, 48645, 53580, 54050, 61617, 64860, 65550, 66975, 78660, 80370, 81075, 82156, 89300, 97290, 98325, 102695, 108100, 123234, 131100, 133950, 160740, 162150, 184851, 194580, 196650, 200925, 205390, 243225, 246468, 267900, 308085, 324300, 369702, 393300, 401850, 410780, 486450, 513475, 616170, 739404, 803700, 924255, 972900, 1026950, 1232340, 1540425, 1848510, 2053900, 3080850, 3697020, 4621275, 6161700, 9242550, 18485100]

約数ペア:

[(1, 18485100), (2, 9242550), (3, 6161700), (4, 4621275), (5, 3697020), (6, 3080850), (9, 2053900), (10, 1848510), (12, 1540425), (15, 1232340), (18, 1026950), (19, 972900), (20, 924255), (23, 803700), (25, 739404), (30, 616170), (36, 513475), (38, 486450), (45, 410780), (46, 401850), (47, 393300), (50, 369702), (57, 324300), (60, 308085), (69, 267900), (75, 246468), (76, 243225), (90, 205390), (92, 200925), (94, 196650), (95, 194580), (100, 184851), (114, 162150), (115, 160740), (138, 133950), (141, 131100), (150, 123234), (171, 108100), (180, 102695), (188, 98325), (190, 97290), (207, 89300), (225, 82156), (228, 81075), (230, 80370), (235, 78660), (276, 66975), (282, 65550), (285, 64860), (300, 61617), (342, 54050), (345, 53580), (380, 48645), (414, 44650), (423, 43700), (437, 42300), (450, 41078), (460, 40185), (470, 39330), (475, 38916), (564, 32775), (570, 32430), (575, 32148), (684, 27025), (690, 26790), (705, 26220), (828, 22325), (846, 21850), (855, 21620), (874, 21150), (893, 20700), (900, 20539), (940, 19665), (950, 19458), (1035, 17860), (1081, 17100), (1140, 16215), (1150, 16074), (1175, 15732), (1311, 14100), (1380, 13395), (1410, 13110), (1425, 12972), (1692, 10925), (1710, 10810), (1725, 10716), (1748, 10575), (1786, 10350), (1900, 9729), (2070, 8930), (2115, 8740), (2162, 8550), (2185, 8460), (2300, 8037), (2350, 7866), (2622, 7050), (2679, 6900), (2820, 6555), (2850, 6486), (3243, 5700), (3420, 5405), (3450, 5358), (3525, 5244), (3572, 5175), (3933, 4700), (4140, 4465), (4230, 4370), (4275, 4324)]