161331720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 192

約数和(自身を含む): 546981120

約数和(自身を除く): 385649400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 121, 123, 132, 164, 165, 205, 220, 242, 246, 264, 271, 328, 330, 363, 410, 440, 451, 484, 492, 542, 605, 615, 660, 726, 813, 820, 902, 968, 984, 1084, 1210, 1230, 1320, 1353, 1355, 1452, 1626, 1640, 1804, 1815, 2168, 2255, 2420, 2460, 2706, 2710, 2904, 2981, 3252, 3608, 3630, 4065, 4510, 4840, 4920, 4961, 5412, 5420, 5962, 6504, 6765, 7260, 8130, 8943, 9020, 9922, 10824, 10840, 11111, 11924, 13530, 14520, 14883, 14905, 16260, 17886, 18040, 19844, 22222, 23848, 24805, 27060, 29766, 29810, 32520, 32791, 33333, 35772, 39688, 44444, 44715, 49610, 54120, 55555, 59532, 59620, 65582, 66666, 71544, 74415, 88888, 89430, 98373, 99220, 111110, 119064, 119240, 122221, 131164, 133332, 148830, 163955, 166665, 178860, 196746, 198440, 222220, 244442, 262328, 266664, 297660, 327910, 333330, 357720, 366663, 393492, 444440, 488884, 491865, 595320, 611105, 655820, 666660, 733326, 786984, 977768, 983730, 1222210, 1311640, 1333320, 1344431, 1466652, 1833315, 1967460, 2444420, 2688862, 2933304, 3666630, 3934920, 4033293, 4888840, 5377724, 6722155, 7333260, 8066586, 10755448, 13444310, 14666520, 16133172, 20166465, 26888620, 32266344, 40332930, 53777240, 80665860, 161331720]

約数ペア:

[(1, 161331720), (2, 80665860), (3, 53777240), (4, 40332930), (5, 32266344), (6, 26888620), (8, 20166465), (10, 16133172), (11, 14666520), (12, 13444310), (15, 10755448), (20, 8066586), (22, 7333260), (24, 6722155), (30, 5377724), (33, 4888840), (40, 4033293), (41, 3934920), (44, 3666630), (55, 2933304), (60, 2688862), (66, 2444420), (82, 1967460), (88, 1833315), (110, 1466652), (120, 1344431), (121, 1333320), (123, 1311640), (132, 1222210), (164, 983730), (165, 977768), (205, 786984), (220, 733326), (242, 666660), (246, 655820), (264, 611105), (271, 595320), (328, 491865), (330, 488884), (363, 444440), (410, 393492), (440, 366663), (451, 357720), (484, 333330), (492, 327910), (542, 297660), (605, 266664), (615, 262328), (660, 244442), (726, 222220), (813, 198440), (820, 196746), (902, 178860), (968, 166665), (984, 163955), (1084, 148830), (1210, 133332), (1230, 131164), (1320, 122221), (1353, 119240), (1355, 119064), (1452, 111110), (1626, 99220), (1640, 98373), (1804, 89430), (1815, 88888), (2168, 74415), (2255, 71544), (2420, 66666), (2460, 65582), (2706, 59620), (2710, 59532), (2904, 55555), (2981, 54120), (3252, 49610), (3608, 44715), (3630, 44444), (4065, 39688), (4510, 35772), (4840, 33333), (4920, 32791), (4961, 32520), (5412, 29810), (5420, 29766), (5962, 27060), (6504, 24805), (6765, 23848), (7260, 22222), (8130, 19844), (8943, 18040), (9020, 17886), (9922, 16260), (10824, 14905), (10840, 14883), (11111, 14520), (11924, 13530)]