291326280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 256

約数和(自身を含む): 1104814080

約数和(自身を除く): 813487800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 51, 56, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 204, 210, 230, 238, 255, 276, 280, 322, 340, 345, 357, 391, 408, 420, 460, 476, 483, 510, 552, 595, 644, 680, 690, 714, 782, 805, 840, 887, 920, 952, 966, 1020, 1173, 1190, 1288, 1380, 1428, 1564, 1610, 1774, 1785, 1932, 1955, 2040, 2346, 2380, 2415, 2661, 2737, 2760, 2856, 3128, 3220, 3548, 3570, 3864, 3910, 4435, 4692, 4760, 4830, 5322, 5474, 5865, 6209, 6440, 7096, 7140, 7820, 8211, 8870, 9384, 9660, 10644, 10948, 11730, 12418, 13305, 13685, 14280, 15079, 15640, 16422, 17740, 18627, 19320, 20401, 21288, 21896, 23460, 24836, 26610, 27370, 30158, 31045, 32844, 35480, 37254, 40802, 41055, 45237, 46920, 49672, 53220, 54740, 60316, 61203, 62090, 65688, 74508, 75395, 81604, 82110, 90474, 93135, 102005, 105553, 106440, 109480, 120632, 122406, 124180, 142807, 149016, 150790, 163208, 164220, 180948, 186270, 204010, 211106, 226185, 244812, 248360, 285614, 301580, 306015, 316659, 328440, 346817, 361896, 372540, 408020, 422212, 428421, 452370, 489624, 527765, 571228, 603160, 612030, 633318, 693634, 714035, 745080, 816040, 844424, 856842, 904740, 1040451, 1055530, 1142456, 1224060, 1266636, 1387268, 1428070, 1583295, 1713684, 1734085, 1809480, 2080902, 2111060, 2142105, 2427719, 2448120, 2533272, 2774536, 2856140, 3166590, 3427368, 3468170, 4161804, 4222120, 4284210, 4855438, 5202255, 5712280, 6333180, 6936340, 7283157, 8323608, 8568420, 9710876, 10404510, 12138595, 12666360, 13872680, 14566314, 17136840, 19421752, 20809020, 24277190, 29132628, 36415785, 41618040, 48554380, 58265256, 72831570, 97108760, 145663140, 291326280]

約数ペア:

[(1, 291326280), (2, 145663140), (3, 97108760), (4, 72831570), (5, 58265256), (6, 48554380), (7, 41618040), (8, 36415785), (10, 29132628), (12, 24277190), (14, 20809020), (15, 19421752), (17, 17136840), (20, 14566314), (21, 13872680), (23, 12666360), (24, 12138595), (28, 10404510), (30, 9710876), (34, 8568420), (35, 8323608), (40, 7283157), (42, 6936340), (46, 6333180), (51, 5712280), (56, 5202255), (60, 4855438), (68, 4284210), (69, 4222120), (70, 4161804), (84, 3468170), (85, 3427368), (92, 3166590), (102, 2856140), (105, 2774536), (115, 2533272), (119, 2448120), (120, 2427719), (136, 2142105), (138, 2111060), (140, 2080902), (161, 1809480), (168, 1734085), (170, 1713684), (184, 1583295), (204, 1428070), (210, 1387268), (230, 1266636), (238, 1224060), (255, 1142456), (276, 1055530), (280, 1040451), (322, 904740), (340, 856842), (345, 844424), (357, 816040), (391, 745080), (408, 714035), (420, 693634), (460, 633318), (476, 612030), (483, 603160), (510, 571228), (552, 527765), (595, 489624), (644, 452370), (680, 428421), (690, 422212), (714, 408020), (782, 372540), (805, 361896), (840, 346817), (887, 328440), (920, 316659), (952, 306015), (966, 301580), (1020, 285614), (1173, 248360), (1190, 244812), (1288, 226185), (1380, 211106), (1428, 204010), (1564, 186270), (1610, 180948), (1774, 164220), (1785, 163208), (1932, 150790), (1955, 149016), (2040, 142807), (2346, 124180), (2380, 122406), (2415, 120632), (2661, 109480), (2737, 106440), (2760, 105553), (2856, 102005), (3128, 93135), (3220, 90474), (3548, 82110), (3570, 81604), (3864, 75395), (3910, 74508), (4435, 65688), (4692, 62090), (4760, 61203), (4830, 60316), (5322, 54740), (5474, 53220), (5865, 49672), (6209, 46920), (6440, 45237), (7096, 41055), (7140, 40802), (7820, 37254), (8211, 35480), (8870, 32844), (9384, 31045), (9660, 30158), (10644, 27370), (10948, 26610), (11730, 24836), (12418, 23460), (13305, 21896), (13685, 21288), (14280, 20401), (15079, 19320), (15640, 18627), (16422, 17740)]