81540160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1153}}^1$

素因数の和:1200

約数の個数: 112

約数和(自身を含む): 221595696

約数和(自身を除く): 140055536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1153, 1360, 1768, 2080, 2210, 2306, 2720, 3536, 4160, 4420, 4612, 5440, 5765, 7072, 8840, 9224, 11530, 14144, 14989, 17680, 18448, 19601, 23060, 29978, 35360, 36896, 39202, 46120, 59956, 70720, 73792, 74945, 78404, 92240, 98005, 119912, 149890, 156808, 184480, 196010, 239824, 254813, 299780, 313616, 368960, 392020, 479648, 509626, 599560, 627232, 784040, 959296, 1019252, 1199120, 1254464, 1274065, 1568080, 2038504, 2398240, 2548130, 3136160, 4077008, 4796480, 5096260, 6272320, 8154016, 10192520, 16308032, 20385040, 40770080, 81540160]

約数ペア:

[(1, 81540160), (2, 40770080), (4, 20385040), (5, 16308032), (8, 10192520), (10, 8154016), (13, 6272320), (16, 5096260), (17, 4796480), (20, 4077008), (26, 3136160), (32, 2548130), (34, 2398240), (40, 2038504), (52, 1568080), (64, 1274065), (65, 1254464), (68, 1199120), (80, 1019252), (85, 959296), (104, 784040), (130, 627232), (136, 599560), (160, 509626), (170, 479648), (208, 392020), (221, 368960), (260, 313616), (272, 299780), (320, 254813), (340, 239824), (416, 196010), (442, 184480), (520, 156808), (544, 149890), (680, 119912), (832, 98005), (884, 92240), (1040, 78404), (1088, 74945), (1105, 73792), (1153, 70720), (1360, 59956), (1768, 46120), (2080, 39202), (2210, 36896), (2306, 35360), (2720, 29978), (3536, 23060), (4160, 19601), (4420, 18448), (4612, 17680), (5440, 14989), (5765, 14144), (7072, 11530), (8840, 9224)]