161211180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 505082592

約数和(自身を除く): 343871412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 71, 78, 82, 123, 130, 142, 156, 164, 195, 205, 213, 246, 260, 284, 355, 390, 410, 426, 492, 533, 615, 710, 780, 820, 852, 923, 1065, 1066, 1230, 1420, 1599, 1846, 2130, 2132, 2460, 2665, 2769, 2911, 3198, 3692, 4260, 4615, 5041, 5330, 5538, 5822, 6396, 7995, 8733, 9230, 10082, 10660, 11076, 11644, 13845, 14555, 15123, 15990, 17466, 18460, 20164, 25205, 27690, 29110, 30246, 31980, 34932, 37843, 43665, 50410, 55380, 58220, 60492, 65533, 75615, 75686, 87330, 100820, 113529, 131066, 151230, 151372, 174660, 189215, 196599, 206681, 227058, 262132, 302460, 327665, 378430, 393198, 413362, 454116, 567645, 620043, 655330, 756860, 786396, 826724, 982995, 1033405, 1135290, 1240086, 1310660, 1965990, 2066810, 2270580, 2480172, 2686853, 3100215, 3931980, 4133620, 5373706, 6200430, 8060559, 10747412, 12400860, 13434265, 16121118, 26868530, 32242236, 40302795, 53737060, 80605590, 161211180]

約数ペア:

[(1, 161211180), (2, 80605590), (3, 53737060), (4, 40302795), (5, 32242236), (6, 26868530), (10, 16121118), (12, 13434265), (13, 12400860), (15, 10747412), (20, 8060559), (26, 6200430), (30, 5373706), (39, 4133620), (41, 3931980), (52, 3100215), (60, 2686853), (65, 2480172), (71, 2270580), (78, 2066810), (82, 1965990), (123, 1310660), (130, 1240086), (142, 1135290), (156, 1033405), (164, 982995), (195, 826724), (205, 786396), (213, 756860), (246, 655330), (260, 620043), (284, 567645), (355, 454116), (390, 413362), (410, 393198), (426, 378430), (492, 327665), (533, 302460), (615, 262132), (710, 227058), (780, 206681), (820, 196599), (852, 189215), (923, 174660), (1065, 151372), (1066, 151230), (1230, 131066), (1420, 113529), (1599, 100820), (1846, 87330), (2130, 75686), (2132, 75615), (2460, 65533), (2665, 60492), (2769, 58220), (2911, 55380), (3198, 50410), (3692, 43665), (4260, 37843), (4615, 34932), (5041, 31980), (5330, 30246), (5538, 29110), (5822, 27690), (6396, 25205), (7995, 20164), (8733, 18460), (9230, 17466), (10082, 15990), (10660, 15123), (11076, 14555), (11644, 13845)]