81709800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 274268160

約数和(自身を除く): 192558360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 31, 40, 46, 50, 60, 62, 69, 75, 92, 93, 100, 115, 120, 124, 138, 150, 155, 184, 186, 191, 200, 230, 248, 276, 300, 310, 345, 372, 382, 460, 465, 552, 573, 575, 600, 620, 690, 713, 744, 764, 775, 920, 930, 955, 1146, 1150, 1240, 1380, 1426, 1528, 1550, 1725, 1860, 1910, 2139, 2292, 2300, 2325, 2760, 2852, 2865, 3100, 3450, 3565, 3720, 3820, 4278, 4393, 4584, 4600, 4650, 4775, 5704, 5730, 5921, 6200, 6900, 7130, 7640, 8556, 8786, 9300, 9550, 10695, 11460, 11842, 13179, 13800, 14260, 14325, 17112, 17572, 17763, 17825, 18600, 19100, 21390, 21965, 22920, 23684, 26358, 28520, 28650, 29605, 35144, 35526, 35650, 38200, 42780, 43930, 47368, 52716, 53475, 57300, 59210, 65895, 71052, 71300, 85560, 87860, 88815, 105432, 106950, 109825, 114600, 118420, 131790, 136183, 142104, 142600, 148025, 175720, 177630, 213900, 219650, 236840, 263580, 272366, 296050, 329475, 355260, 408549, 427800, 439300, 444075, 527160, 544732, 592100, 658950, 680915, 710520, 817098, 878600, 888150, 1089464, 1184200, 1317900, 1361830, 1634196, 1776300, 2042745, 2635800, 2723660, 3268392, 3404575, 3552600, 4085490, 5447320, 6809150, 8170980, 10213725, 13618300, 16341960, 20427450, 27236600, 40854900, 81709800]

約数ペア:

[(1, 81709800), (2, 40854900), (3, 27236600), (4, 20427450), (5, 16341960), (6, 13618300), (8, 10213725), (10, 8170980), (12, 6809150), (15, 5447320), (20, 4085490), (23, 3552600), (24, 3404575), (25, 3268392), (30, 2723660), (31, 2635800), (40, 2042745), (46, 1776300), (50, 1634196), (60, 1361830), (62, 1317900), (69, 1184200), (75, 1089464), (92, 888150), (93, 878600), (100, 817098), (115, 710520), (120, 680915), (124, 658950), (138, 592100), (150, 544732), (155, 527160), (184, 444075), (186, 439300), (191, 427800), (200, 408549), (230, 355260), (248, 329475), (276, 296050), (300, 272366), (310, 263580), (345, 236840), (372, 219650), (382, 213900), (460, 177630), (465, 175720), (552, 148025), (573, 142600), (575, 142104), (600, 136183), (620, 131790), (690, 118420), (713, 114600), (744, 109825), (764, 106950), (775, 105432), (920, 88815), (930, 87860), (955, 85560), (1146, 71300), (1150, 71052), (1240, 65895), (1380, 59210), (1426, 57300), (1528, 53475), (1550, 52716), (1725, 47368), (1860, 43930), (1910, 42780), (2139, 38200), (2292, 35650), (2300, 35526), (2325, 35144), (2760, 29605), (2852, 28650), (2865, 28520), (3100, 26358), (3450, 23684), (3565, 22920), (3720, 21965), (3820, 21390), (4278, 19100), (4393, 18600), (4584, 17825), (4600, 17763), (4650, 17572), (4775, 17112), (5704, 14325), (5730, 14260), (5921, 13800), (6200, 13179), (6900, 11842), (7130, 11460), (7640, 10695), (8556, 9550), (8786, 9300)]