28581125720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1597}}^1$

素因数の和:2042

約数の個数: 192

約数和(自身を含む): 78304812480

約数和(自身を除く): 49723686760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 397, 460, 490, 644, 794, 805, 920, 980, 1127, 1288, 1588, 1597, 1610, 1960, 1985, 2254, 2779, 3176, 3194, 3220, 3970, 4508, 5558, 5635, 6388, 6440, 7940, 7985, 9016, 9131, 11116, 11179, 11270, 12776, 13895, 15880, 15970, 18262, 19453, 22232, 22358, 22540, 27790, 31940, 36524, 36731, 38906, 44716, 45080, 45655, 55580, 55895, 63880, 63917, 73048, 73462, 77812, 78253, 89432, 91310, 97265, 111160, 111790, 127834, 146924, 155624, 156506, 182620, 183655, 194530, 223580, 255668, 257117, 293848, 313012, 319585, 365240, 367310, 389060, 391265, 447160, 447419, 511336, 514234, 626024, 634009, 639170, 734620, 778120, 782530, 894838, 1028468, 1268018, 1278340, 1285585, 1469240, 1565060, 1789676, 1799819, 2056936, 2237095, 2536036, 2556680, 2571170, 3130120, 3170045, 3579352, 3599638, 4438063, 4474190, 5072072, 5142340, 6340090, 7199276, 8876126, 8948380, 8999095, 10284680, 12680180, 14398552, 14582207, 17752252, 17896760, 17998190, 22190315, 25360360, 29164414, 31066441, 35504504, 35996380, 44380630, 58328828, 62132882, 71992760, 72911035, 88761260, 102075449, 116657656, 124265764, 145822070, 155332205, 177522520, 204150898, 248531528, 291644140, 310664410, 408301796, 510377245, 583288280, 621328820, 714528143, 816603592, 1020754490, 1242657640, 1429056286, 2041508980, 2858112572, 3572640715, 4083017960, 5716225144, 7145281430, 14290562860, 28581125720]

約数ペア:

[(1, 28581125720), (2, 14290562860), (4, 7145281430), (5, 5716225144), (7, 4083017960), (8, 3572640715), (10, 2858112572), (14, 2041508980), (20, 1429056286), (23, 1242657640), (28, 1020754490), (35, 816603592), (40, 714528143), (46, 621328820), (49, 583288280), (56, 510377245), (70, 408301796), (92, 310664410), (98, 291644140), (115, 248531528), (140, 204150898), (161, 177522520), (184, 155332205), (196, 145822070), (230, 124265764), (245, 116657656), (280, 102075449), (322, 88761260), (392, 72911035), (397, 71992760), (460, 62132882), (490, 58328828), (644, 44380630), (794, 35996380), (805, 35504504), (920, 31066441), (980, 29164414), (1127, 25360360), (1288, 22190315), (1588, 17998190), (1597, 17896760), (1610, 17752252), (1960, 14582207), (1985, 14398552), (2254, 12680180), (2779, 10284680), (3176, 8999095), (3194, 8948380), (3220, 8876126), (3970, 7199276), (4508, 6340090), (5558, 5142340), (5635, 5072072), (6388, 4474190), (6440, 4438063), (7940, 3599638), (7985, 3579352), (9016, 3170045), (9131, 3130120), (11116, 2571170), (11179, 2556680), (11270, 2536036), (12776, 2237095), (13895, 2056936), (15880, 1799819), (15970, 1789676), (18262, 1565060), (19453, 1469240), (22232, 1285585), (22358, 1278340), (22540, 1268018), (27790, 1028468), (31940, 894838), (36524, 782530), (36731, 778120), (38906, 734620), (44716, 639170), (45080, 634009), (45655, 626024), (55580, 514234), (55895, 511336), (63880, 447419), (63917, 447160), (73048, 391265), (73462, 389060), (77812, 367310), (78253, 365240), (89432, 319585), (91310, 313012), (97265, 293848), (111160, 257117), (111790, 255668), (127834, 223580), (146924, 194530), (155624, 183655), (156506, 182620)]