1778752920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1321}}^1$

素因数の和:1578

約数の個数: 192

約数和(自身を含む): 6239311200

約数和(自身を除く): 4460558280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 229, 245, 280, 294, 392, 420, 458, 490, 588, 687, 735, 840, 916, 980, 1145, 1176, 1321, 1374, 1470, 1603, 1832, 1960, 2290, 2642, 2748, 2940, 3206, 3435, 3963, 4580, 4809, 5284, 5496, 5880, 6412, 6605, 6870, 7926, 8015, 9160, 9247, 9618, 10568, 11221, 12824, 13210, 13740, 15852, 16030, 18494, 19236, 19815, 22442, 24045, 26420, 27480, 27741, 31704, 32060, 33663, 36988, 38472, 39630, 44884, 46235, 48090, 52840, 55482, 56105, 64120, 64729, 67326, 73976, 79260, 89768, 92470, 96180, 110964, 112210, 129458, 134652, 138705, 158520, 168315, 184940, 192360, 194187, 221928, 224420, 258916, 269304, 277410, 302509, 323645, 336630, 369880, 388374, 448840, 517832, 554820, 605018, 647290, 673260, 776748, 907527, 970935, 1109640, 1210036, 1294580, 1346520, 1512545, 1553496, 1815054, 1941870, 2117563, 2420072, 2589160, 3025090, 3630108, 3883740, 4235126, 4537635, 6050180, 6352689, 7260216, 7767480, 8470252, 9075270, 10587815, 12100360, 12705378, 14822941, 16940504, 18150540, 21175630, 25410756, 29645882, 31763445, 36301080, 42351260, 44468823, 50821512, 59291764, 63526890, 74114705, 84702520, 88937646, 118583528, 127053780, 148229410, 177875292, 222344115, 254107560, 296458820, 355750584, 444688230, 592917640, 889376460, 1778752920]

約数ペア:

[(1, 1778752920), (2, 889376460), (3, 592917640), (4, 444688230), (5, 355750584), (6, 296458820), (7, 254107560), (8, 222344115), (10, 177875292), (12, 148229410), (14, 127053780), (15, 118583528), (20, 88937646), (21, 84702520), (24, 74114705), (28, 63526890), (30, 59291764), (35, 50821512), (40, 44468823), (42, 42351260), (49, 36301080), (56, 31763445), (60, 29645882), (70, 25410756), (84, 21175630), (98, 18150540), (105, 16940504), (120, 14822941), (140, 12705378), (147, 12100360), (168, 10587815), (196, 9075270), (210, 8470252), (229, 7767480), (245, 7260216), (280, 6352689), (294, 6050180), (392, 4537635), (420, 4235126), (458, 3883740), (490, 3630108), (588, 3025090), (687, 2589160), (735, 2420072), (840, 2117563), (916, 1941870), (980, 1815054), (1145, 1553496), (1176, 1512545), (1321, 1346520), (1374, 1294580), (1470, 1210036), (1603, 1109640), (1832, 970935), (1960, 907527), (2290, 776748), (2642, 673260), (2748, 647290), (2940, 605018), (3206, 554820), (3435, 517832), (3963, 448840), (4580, 388374), (4809, 369880), (5284, 336630), (5496, 323645), (5880, 302509), (6412, 277410), (6605, 269304), (6870, 258916), (7926, 224420), (8015, 221928), (9160, 194187), (9247, 192360), (9618, 184940), (10568, 168315), (11221, 158520), (12824, 138705), (13210, 134652), (13740, 129458), (15852, 112210), (16030, 110964), (18494, 96180), (19236, 92470), (19815, 89768), (22442, 79260), (24045, 73976), (26420, 67326), (27480, 64729), (27741, 64120), (31704, 56105), (32060, 55482), (33663, 52840), (36988, 48090), (38472, 46235), (39630, 44884)]