1620567900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3623}}^1$

素因数の和:3721

約数の個数: 216

約数和(自身を含む): 5888623104

約数和(自身を除く): 4268055204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 71, 75, 84, 90, 100, 105, 126, 140, 142, 150, 175, 180, 210, 213, 225, 252, 284, 300, 315, 350, 355, 420, 426, 450, 497, 525, 630, 639, 700, 710, 852, 900, 994, 1050, 1065, 1260, 1278, 1420, 1491, 1575, 1775, 1988, 2100, 2130, 2485, 2556, 2982, 3150, 3195, 3550, 3623, 4260, 4473, 4970, 5325, 5964, 6300, 6390, 7100, 7246, 7455, 8946, 9940, 10650, 10869, 12425, 12780, 14492, 14910, 15975, 17892, 18115, 21300, 21738, 22365, 24850, 25361, 29820, 31950, 32607, 36230, 37275, 43476, 44730, 49700, 50722, 54345, 63900, 65214, 72460, 74550, 76083, 89460, 90575, 101444, 108690, 111825, 126805, 130428, 149100, 152166, 163035, 181150, 217380, 223650, 228249, 253610, 257233, 271725, 304332, 326070, 362300, 380415, 447300, 456498, 507220, 514466, 543450, 634025, 652140, 760830, 771699, 815175, 912996, 1028932, 1086900, 1141245, 1268050, 1286165, 1521660, 1543398, 1630350, 1800631, 1902075, 2282490, 2315097, 2536100, 2572330, 3086796, 3260700, 3601262, 3804150, 3858495, 4564980, 4630194, 5144660, 5401893, 5706225, 6430825, 7202524, 7608300, 7716990, 9003155, 9260388, 10803786, 11412450, 11575485, 12861650, 15433980, 16205679, 18006310, 19292475, 21607572, 22824900, 23150970, 25723300, 27009465, 32411358, 36012620, 38584950, 45015775, 46301940, 54018930, 57877425, 64822716, 77169900, 81028395, 90031550, 108037860, 115754850, 135047325, 162056790, 180063100, 231509700, 270094650, 324113580, 405141975, 540189300, 810283950, 1620567900]

約数ペア:

[(1, 1620567900), (2, 810283950), (3, 540189300), (4, 405141975), (5, 324113580), (6, 270094650), (7, 231509700), (9, 180063100), (10, 162056790), (12, 135047325), (14, 115754850), (15, 108037860), (18, 90031550), (20, 81028395), (21, 77169900), (25, 64822716), (28, 57877425), (30, 54018930), (35, 46301940), (36, 45015775), (42, 38584950), (45, 36012620), (50, 32411358), (60, 27009465), (63, 25723300), (70, 23150970), (71, 22824900), (75, 21607572), (84, 19292475), (90, 18006310), (100, 16205679), (105, 15433980), (126, 12861650), (140, 11575485), (142, 11412450), (150, 10803786), (175, 9260388), (180, 9003155), (210, 7716990), (213, 7608300), (225, 7202524), (252, 6430825), (284, 5706225), (300, 5401893), (315, 5144660), (350, 4630194), (355, 4564980), (420, 3858495), (426, 3804150), (450, 3601262), (497, 3260700), (525, 3086796), (630, 2572330), (639, 2536100), (700, 2315097), (710, 2282490), (852, 1902075), (900, 1800631), (994, 1630350), (1050, 1543398), (1065, 1521660), (1260, 1286165), (1278, 1268050), (1420, 1141245), (1491, 1086900), (1575, 1028932), (1775, 912996), (1988, 815175), (2100, 771699), (2130, 760830), (2485, 652140), (2556, 634025), (2982, 543450), (3150, 514466), (3195, 507220), (3550, 456498), (3623, 447300), (4260, 380415), (4473, 362300), (4970, 326070), (5325, 304332), (5964, 271725), (6300, 257233), (6390, 253610), (7100, 228249), (7246, 223650), (7455, 217380), (8946, 181150), (9940, 163035), (10650, 152166), (10869, 149100), (12425, 130428), (12780, 126805), (14492, 111825), (14910, 108690), (15975, 101444), (17892, 90575), (18115, 89460), (21300, 76083), (21738, 74550), (22365, 72460), (24850, 65214), (25361, 63900), (29820, 54345), (31950, 50722), (32607, 49700), (36230, 44730), (37275, 43476)]