1681768452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^2$

素因数の和:207

約数の個数: 216

約数和(自身を含む): 5201749056

約数和(自身を除く): 3519980604

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 73, 78, 84, 91, 102, 119, 146, 156, 182, 204, 219, 221, 238, 273, 289, 292, 357, 364, 438, 442, 476, 511, 546, 578, 663, 714, 867, 876, 884, 949, 1022, 1092, 1156, 1241, 1326, 1428, 1533, 1547, 1734, 1898, 2023, 2044, 2482, 2652, 2847, 3066, 3094, 3468, 3723, 3757, 3796, 4046, 4641, 4964, 5329, 5694, 6069, 6132, 6188, 6643, 7446, 7514, 8092, 8687, 9282, 10658, 11271, 11388, 12138, 13286, 14892, 15028, 15987, 16133, 17374, 18564, 19929, 21097, 21316, 22542, 24276, 26061, 26299, 26572, 31974, 32266, 34748, 37303, 39858, 42194, 45084, 48399, 52122, 52598, 63291, 63948, 64532, 69277, 74606, 78897, 79716, 84388, 90593, 96798, 104244, 105196, 111909, 112931, 126582, 138554, 147679, 149212, 157794, 181186, 193596, 207831, 223818, 225862, 253164, 271779, 274261, 277108, 295358, 315588, 338793, 362372, 415662, 443037, 447636, 451724, 484939, 543558, 548522, 590716, 634151, 677586, 822783, 831324, 886074, 969878, 1087116, 1097044, 1177709, 1268302, 1355172, 1454817, 1540081, 1645566, 1772148, 1902453, 1919827, 1939756, 2355418, 2536604, 2909634, 3080162, 3291132, 3533127, 3804906, 3839654, 4620243, 4710836, 5759481, 5819268, 6160324, 7066254, 7609812, 7679308, 8243963, 9240486, 10780567, 11518962, 14132508, 16487926, 18480972, 20021053, 21561134, 23037924, 24731889, 32341701, 32975852, 40042106, 43122268, 49463778, 60063159, 64683402, 80084212, 98927556, 120126318, 129366804, 140147371, 240252636, 280294742, 420442113, 560589484, 840884226, 1681768452]

約数ペア:

[(1, 1681768452), (2, 840884226), (3, 560589484), (4, 420442113), (6, 280294742), (7, 240252636), (12, 140147371), (13, 129366804), (14, 120126318), (17, 98927556), (21, 80084212), (26, 64683402), (28, 60063159), (34, 49463778), (39, 43122268), (42, 40042106), (51, 32975852), (52, 32341701), (68, 24731889), (73, 23037924), (78, 21561134), (84, 20021053), (91, 18480972), (102, 16487926), (119, 14132508), (146, 11518962), (156, 10780567), (182, 9240486), (204, 8243963), (219, 7679308), (221, 7609812), (238, 7066254), (273, 6160324), (289, 5819268), (292, 5759481), (357, 4710836), (364, 4620243), (438, 3839654), (442, 3804906), (476, 3533127), (511, 3291132), (546, 3080162), (578, 2909634), (663, 2536604), (714, 2355418), (867, 1939756), (876, 1919827), (884, 1902453), (949, 1772148), (1022, 1645566), (1092, 1540081), (1156, 1454817), (1241, 1355172), (1326, 1268302), (1428, 1177709), (1533, 1097044), (1547, 1087116), (1734, 969878), (1898, 886074), (2023, 831324), (2044, 822783), (2482, 677586), (2652, 634151), (2847, 590716), (3066, 548522), (3094, 543558), (3468, 484939), (3723, 451724), (3757, 447636), (3796, 443037), (4046, 415662), (4641, 362372), (4964, 338793), (5329, 315588), (5694, 295358), (6069, 277108), (6132, 274261), (6188, 271779), (6643, 253164), (7446, 225862), (7514, 223818), (8092, 207831), (8687, 193596), (9282, 181186), (10658, 157794), (11271, 149212), (11388, 147679), (12138, 138554), (13286, 126582), (14892, 112931), (15028, 111909), (15987, 105196), (16133, 104244), (17374, 96798), (18564, 90593), (19929, 84388), (21097, 79716), (21316, 78897), (22542, 74606), (24276, 69277), (26061, 64532), (26299, 63948), (26572, 63291), (31974, 52598), (32266, 52122), (34748, 48399), (37303, 45084), (39858, 42194)]