164839920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 604568448

約数和(自身を除く): 439728528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 107, 112, 120, 131, 140, 147, 168, 196, 210, 214, 240, 245, 262, 280, 294, 321, 336, 392, 393, 420, 428, 490, 524, 535, 560, 588, 642, 655, 735, 749, 784, 786, 840, 856, 917, 980, 1048, 1070, 1176, 1284, 1310, 1470, 1498, 1572, 1605, 1680, 1712, 1834, 1960, 1965, 2096, 2140, 2247, 2352, 2568, 2620, 2751, 2940, 2996, 3144, 3210, 3668, 3745, 3920, 3930, 4280, 4494, 4585, 5136, 5240, 5243, 5502, 5880, 5992, 6288, 6419, 6420, 7336, 7490, 7860, 8560, 8988, 9170, 10480, 10486, 11004, 11235, 11760, 11984, 12838, 12840, 13755, 14017, 14672, 14980, 15720, 15729, 17976, 18340, 19257, 20972, 22008, 22470, 25676, 25680, 26215, 27510, 28034, 29960, 31440, 31458, 32095, 35952, 36680, 38514, 41944, 42051, 44016, 44940, 51352, 52430, 55020, 56068, 59920, 62916, 64190, 70085, 73360, 77028, 78645, 83888, 84102, 89880, 96285, 98119, 102704, 104860, 110040, 112136, 125832, 128380, 140170, 154056, 157290, 168204, 179760, 192570, 196238, 209720, 210255, 220080, 224272, 251664, 256760, 280340, 294357, 308112, 314580, 336408, 385140, 392476, 419440, 420510, 490595, 513520, 560680, 588714, 629160, 672816, 686833, 770280, 784952, 841020, 981190, 1121360, 1177428, 1258320, 1373666, 1471785, 1540560, 1569904, 1682040, 1962380, 2060499, 2354856, 2747332, 2943570, 3364080, 3434165, 3924760, 4120998, 4709712, 5494664, 5887140, 6868330, 7849520, 8241996, 10302495, 10989328, 11774280, 13736660, 16483992, 20604990, 23548560, 27473320, 32967984, 41209980, 54946640, 82419960, 164839920]

約数ペア:

[(1, 164839920), (2, 82419960), (3, 54946640), (4, 41209980), (5, 32967984), (6, 27473320), (7, 23548560), (8, 20604990), (10, 16483992), (12, 13736660), (14, 11774280), (15, 10989328), (16, 10302495), (20, 8241996), (21, 7849520), (24, 6868330), (28, 5887140), (30, 5494664), (35, 4709712), (40, 4120998), (42, 3924760), (48, 3434165), (49, 3364080), (56, 2943570), (60, 2747332), (70, 2354856), (80, 2060499), (84, 1962380), (98, 1682040), (105, 1569904), (107, 1540560), (112, 1471785), (120, 1373666), (131, 1258320), (140, 1177428), (147, 1121360), (168, 981190), (196, 841020), (210, 784952), (214, 770280), (240, 686833), (245, 672816), (262, 629160), (280, 588714), (294, 560680), (321, 513520), (336, 490595), (392, 420510), (393, 419440), (420, 392476), (428, 385140), (490, 336408), (524, 314580), (535, 308112), (560, 294357), (588, 280340), (642, 256760), (655, 251664), (735, 224272), (749, 220080), (784, 210255), (786, 209720), (840, 196238), (856, 192570), (917, 179760), (980, 168204), (1048, 157290), (1070, 154056), (1176, 140170), (1284, 128380), (1310, 125832), (1470, 112136), (1498, 110040), (1572, 104860), (1605, 102704), (1680, 98119), (1712, 96285), (1834, 89880), (1960, 84102), (1965, 83888), (2096, 78645), (2140, 77028), (2247, 73360), (2352, 70085), (2568, 64190), (2620, 62916), (2751, 59920), (2940, 56068), (2996, 55020), (3144, 52430), (3210, 51352), (3668, 44940), (3745, 44016), (3920, 42051), (3930, 41944), (4280, 38514), (4494, 36680), (4585, 35952), (5136, 32095), (5240, 31458), (5243, 31440), (5502, 29960), (5880, 28034), (5992, 27510), (6288, 26215), (6419, 25680), (6420, 25676), (7336, 22470), (7490, 22008), (7860, 20972), (8560, 19257), (8988, 18340), (9170, 17976), (10480, 15729), (10486, 15720), (11004, 14980), (11235, 14672), (11760, 14017), (11984, 13755), (12838, 12840)]