668448690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 256

約数和(自身を含む): 2128896000

約数和(自身を除く): 1460447310

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 49, 57, 65, 70, 78, 91, 95, 98, 105, 114, 130, 133, 147, 182, 190, 195, 210, 245, 247, 263, 266, 273, 285, 294, 343, 390, 399, 455, 490, 494, 526, 546, 570, 637, 665, 686, 735, 741, 789, 798, 910, 931, 1029, 1235, 1274, 1315, 1330, 1365, 1470, 1482, 1578, 1715, 1729, 1841, 1862, 1911, 1995, 2058, 2470, 2630, 2730, 2793, 3185, 3419, 3430, 3458, 3682, 3705, 3822, 3945, 3990, 4459, 4655, 4997, 5145, 5187, 5523, 5586, 6370, 6517, 6838, 7410, 7890, 8645, 8918, 9205, 9310, 9555, 9994, 10257, 10290, 10374, 11046, 12103, 12887, 13034, 13377, 13965, 14991, 17095, 17290, 18410, 19110, 19551, 20514, 22295, 23933, 24206, 24985, 25774, 25935, 26754, 27615, 27930, 29982, 32585, 34190, 34979, 36309, 38661, 39102, 44590, 47866, 49970, 51285, 51870, 55230, 60515, 64435, 64961, 65170, 66885, 69958, 71799, 72618, 74955, 77322, 84721, 90209, 97755, 102570, 104937, 119665, 121030, 128870, 129922, 133770, 143598, 149910, 167531, 169442, 174895, 180418, 181545, 193305, 194883, 195510, 209874, 239330, 244853, 254163, 270627, 324805, 335062, 349790, 358995, 363090, 386610, 389766, 423605, 451045, 454727, 489706, 502593, 508326, 524685, 541254, 649610, 717990, 734559, 837655, 847210, 902090, 909454, 974415, 1005186, 1049370, 1172717, 1224265, 1270815, 1353135, 1364181, 1469118, 1675310, 1713971, 1948830, 2273635, 2345434, 2448530, 2512965, 2541630, 2706270, 2728362, 3183089, 3427942, 3518151, 3672795, 4547270, 5025930, 5141913, 5863585, 6366178, 6820905, 7036302, 7345590, 8569855, 9549267, 10283826, 11727170, 13641810, 15915445, 17139710, 17590755, 19098534, 22281623, 25709565, 31830890, 35181510, 44563246, 47746335, 51419130, 66844869, 95492670, 111408115, 133689738, 222816230, 334224345, 668448690]

約数ペア:

[(1, 668448690), (2, 334224345), (3, 222816230), (5, 133689738), (6, 111408115), (7, 95492670), (10, 66844869), (13, 51419130), (14, 47746335), (15, 44563246), (19, 35181510), (21, 31830890), (26, 25709565), (30, 22281623), (35, 19098534), (38, 17590755), (39, 17139710), (42, 15915445), (49, 13641810), (57, 11727170), (65, 10283826), (70, 9549267), (78, 8569855), (91, 7345590), (95, 7036302), (98, 6820905), (105, 6366178), (114, 5863585), (130, 5141913), (133, 5025930), (147, 4547270), (182, 3672795), (190, 3518151), (195, 3427942), (210, 3183089), (245, 2728362), (247, 2706270), (263, 2541630), (266, 2512965), (273, 2448530), (285, 2345434), (294, 2273635), (343, 1948830), (390, 1713971), (399, 1675310), (455, 1469118), (490, 1364181), (494, 1353135), (526, 1270815), (546, 1224265), (570, 1172717), (637, 1049370), (665, 1005186), (686, 974415), (735, 909454), (741, 902090), (789, 847210), (798, 837655), (910, 734559), (931, 717990), (1029, 649610), (1235, 541254), (1274, 524685), (1315, 508326), (1330, 502593), (1365, 489706), (1470, 454727), (1482, 451045), (1578, 423605), (1715, 389766), (1729, 386610), (1841, 363090), (1862, 358995), (1911, 349790), (1995, 335062), (2058, 324805), (2470, 270627), (2630, 254163), (2730, 244853), (2793, 239330), (3185, 209874), (3419, 195510), (3430, 194883), (3458, 193305), (3682, 181545), (3705, 180418), (3822, 174895), (3945, 169442), (3990, 167531), (4459, 149910), (4655, 143598), (4997, 133770), (5145, 129922), (5187, 128870), (5523, 121030), (5586, 119665), (6370, 104937), (6517, 102570), (6838, 97755), (7410, 90209), (7890, 84721), (8645, 77322), (8918, 74955), (9205, 72618), (9310, 71799), (9555, 69958), (9994, 66885), (10257, 65170), (10290, 64961), (10374, 64435), (11046, 60515), (12103, 55230), (12887, 51870), (13034, 51285), (13377, 49970), (13965, 47866), (14991, 44590), (17095, 39102), (17290, 38661), (18410, 36309), (19110, 34979), (19551, 34190), (20514, 32585), (22295, 29982), (23933, 27930), (24206, 27615), (24985, 26754), (25774, 25935)]