285327720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 192

約数和(自身を含む): 984522240

約数和(自身を除く): 699194520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 555, 558, 620, 666, 691, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1382, 1395, 1480, 1665, 1860, 2073, 2220, 2232, 2294, 2664, 2764, 2790, 3330, 3441, 3455, 3720, 4146, 4440, 4588, 5528, 5580, 5735, 6219, 6660, 6882, 6910, 8292, 9176, 10323, 10365, 11160, 11470, 12438, 13320, 13764, 13820, 16584, 17205, 20646, 20730, 21421, 22940, 24876, 25567, 27528, 27640, 31095, 34410, 41292, 41460, 42842, 45880, 49752, 51134, 51615, 62190, 64263, 68820, 76701, 82584, 82920, 85684, 102268, 103230, 107105, 124380, 127835, 128526, 137640, 153402, 171368, 192789, 204536, 206460, 214210, 230103, 248760, 255670, 257052, 306804, 321315, 383505, 385578, 412920, 428420, 460206, 511340, 514104, 613608, 642630, 767010, 771156, 792577, 856840, 920412, 963945, 1022680, 1150515, 1285260, 1534020, 1542312, 1585154, 1840824, 1927890, 2301030, 2377731, 2570520, 3068040, 3170308, 3855780, 3962885, 4602060, 4755462, 6340616, 7133193, 7711560, 7925770, 9204120, 9510924, 11888655, 14266386, 15851540, 19021848, 23777310, 28532772, 31703080, 35665965, 47554620, 57065544, 71331930, 95109240, 142663860, 285327720]

約数ペア:

[(1, 285327720), (2, 142663860), (3, 95109240), (4, 71331930), (5, 57065544), (6, 47554620), (8, 35665965), (9, 31703080), (10, 28532772), (12, 23777310), (15, 19021848), (18, 15851540), (20, 14266386), (24, 11888655), (30, 9510924), (31, 9204120), (36, 7925770), (37, 7711560), (40, 7133193), (45, 6340616), (60, 4755462), (62, 4602060), (72, 3962885), (74, 3855780), (90, 3170308), (93, 3068040), (111, 2570520), (120, 2377731), (124, 2301030), (148, 1927890), (155, 1840824), (180, 1585154), (185, 1542312), (186, 1534020), (222, 1285260), (248, 1150515), (279, 1022680), (296, 963945), (310, 920412), (333, 856840), (360, 792577), (370, 771156), (372, 767010), (444, 642630), (465, 613608), (555, 514104), (558, 511340), (620, 460206), (666, 428420), (691, 412920), (740, 385578), (744, 383505), (888, 321315), (930, 306804), (1110, 257052), (1116, 255670), (1147, 248760), (1240, 230103), (1332, 214210), (1382, 206460), (1395, 204536), (1480, 192789), (1665, 171368), (1860, 153402), (2073, 137640), (2220, 128526), (2232, 127835), (2294, 124380), (2664, 107105), (2764, 103230), (2790, 102268), (3330, 85684), (3441, 82920), (3455, 82584), (3720, 76701), (4146, 68820), (4440, 64263), (4588, 62190), (5528, 51615), (5580, 51134), (5735, 49752), (6219, 45880), (6660, 42842), (6882, 41460), (6910, 41292), (8292, 34410), (9176, 31095), (10323, 27640), (10365, 27528), (11160, 25567), (11470, 24876), (12438, 22940), (13320, 21421), (13764, 20730), (13820, 20646), (16584, 17205)]