165781980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 288

約数和(自身を含む): 642096000

約数和(自身を除く): 476314020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 29, 30, 35, 36, 39, 42, 45, 52, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 116, 117, 126, 130, 140, 145, 156, 174, 180, 182, 195, 203, 210, 234, 252, 260, 261, 273, 290, 315, 348, 349, 364, 377, 390, 406, 420, 435, 455, 468, 522, 546, 580, 585, 609, 630, 698, 754, 780, 812, 819, 870, 910, 1015, 1044, 1047, 1092, 1131, 1170, 1218, 1260, 1305, 1365, 1396, 1508, 1638, 1740, 1745, 1820, 1827, 1885, 2030, 2094, 2262, 2340, 2436, 2443, 2610, 2639, 2730, 3045, 3141, 3276, 3393, 3490, 3654, 3770, 4060, 4095, 4188, 4524, 4537, 4886, 5220, 5235, 5278, 5460, 5655, 6090, 6282, 6786, 6980, 7308, 7329, 7540, 7917, 8190, 9074, 9135, 9772, 10121, 10470, 10556, 11310, 12180, 12215, 12564, 13195, 13572, 13611, 14658, 15705, 15834, 16380, 16965, 18148, 18270, 20242, 20940, 21987, 22620, 22685, 23751, 24430, 26390, 27222, 29316, 30363, 31410, 31668, 31759, 33930, 36540, 36645, 39585, 40484, 40833, 43974, 45370, 47502, 48860, 50605, 52780, 54444, 60726, 62820, 63518, 67860, 68055, 70847, 73290, 79170, 81666, 87948, 90740, 91089, 95004, 95277, 101210, 109935, 118755, 121452, 127036, 131573, 136110, 141694, 146580, 151815, 158340, 158795, 163332, 182178, 190554, 202420, 204165, 212541, 219870, 237510, 263146, 272220, 283388, 285831, 303630, 317590, 354235, 364356, 381108, 394719, 408330, 425082, 439740, 455445, 475020, 476385, 526292, 571662, 607260, 635180, 637623, 657865, 708470, 789438, 816660, 850164, 910890, 921011, 952770, 1062705, 1143324, 1184157, 1275246, 1315730, 1416940, 1429155, 1578876, 1821780, 1842022, 1905540, 1973595, 2125410, 2368314, 2550492, 2631460, 2763033, 2858310, 3188115, 3684044, 3947190, 4250820, 4605055, 4736628, 5526066, 5716620, 5920785, 6376230, 7894380, 8289099, 9210110, 11052132, 11841570, 12752460, 13815165, 16578198, 18420220, 23683140, 27630330, 33156396, 41445495, 55260660, 82890990, 165781980]

約数ペア:

[(1, 165781980), (2, 82890990), (3, 55260660), (4, 41445495), (5, 33156396), (6, 27630330), (7, 23683140), (9, 18420220), (10, 16578198), (12, 13815165), (13, 12752460), (14, 11841570), (15, 11052132), (18, 9210110), (20, 8289099), (21, 7894380), (26, 6376230), (28, 5920785), (29, 5716620), (30, 5526066), (35, 4736628), (36, 4605055), (39, 4250820), (42, 3947190), (45, 3684044), (52, 3188115), (58, 2858310), (60, 2763033), (63, 2631460), (65, 2550492), (70, 2368314), (78, 2125410), (84, 1973595), (87, 1905540), (90, 1842022), (91, 1821780), (105, 1578876), (116, 1429155), (117, 1416940), (126, 1315730), (130, 1275246), (140, 1184157), (145, 1143324), (156, 1062705), (174, 952770), (180, 921011), (182, 910890), (195, 850164), (203, 816660), (210, 789438), (234, 708470), (252, 657865), (260, 637623), (261, 635180), (273, 607260), (290, 571662), (315, 526292), (348, 476385), (349, 475020), (364, 455445), (377, 439740), (390, 425082), (406, 408330), (420, 394719), (435, 381108), (455, 364356), (468, 354235), (522, 317590), (546, 303630), (580, 285831), (585, 283388), (609, 272220), (630, 263146), (698, 237510), (754, 219870), (780, 212541), (812, 204165), (819, 202420), (870, 190554), (910, 182178), (1015, 163332), (1044, 158795), (1047, 158340), (1092, 151815), (1131, 146580), (1170, 141694), (1218, 136110), (1260, 131573), (1305, 127036), (1365, 121452), (1396, 118755), (1508, 109935), (1638, 101210), (1740, 95277), (1745, 95004), (1820, 91089), (1827, 90740), (1885, 87948), (2030, 81666), (2094, 79170), (2262, 73290), (2340, 70847), (2436, 68055), (2443, 67860), (2610, 63518), (2639, 62820), (2730, 60726), (3045, 54444), (3141, 52780), (3276, 50605), (3393, 48860), (3490, 47502), (3654, 45370), (3770, 43974), (4060, 40833), (4095, 40484), (4188, 39585), (4524, 36645), (4537, 36540), (4886, 33930), (5220, 31759), (5235, 31668), (5278, 31410), (5460, 30363), (5655, 29316), (6090, 27222), (6282, 26390), (6786, 24430), (6980, 23751), (7308, 22685), (7329, 22620), (7540, 21987), (7917, 20940), (8190, 20242), (9074, 18270), (9135, 18148), (9772, 16965), (10121, 16380), (10470, 15834), (10556, 15705), (11310, 14658), (12180, 13611), (12215, 13572), (12564, 13195)]