81945504

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 247665600

約数和(自身を除く): 165720096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 89, 92, 96, 138, 139, 144, 178, 184, 207, 267, 276, 278, 288, 356, 368, 414, 417, 534, 552, 556, 712, 736, 801, 828, 834, 1068, 1104, 1112, 1251, 1424, 1602, 1656, 1668, 2047, 2136, 2208, 2224, 2502, 2848, 3197, 3204, 3312, 3336, 4094, 4272, 4448, 5004, 6141, 6394, 6408, 6624, 6672, 8188, 8544, 9591, 10008, 12282, 12371, 12788, 12816, 13344, 16376, 18423, 19182, 20016, 24564, 24742, 25576, 25632, 28773, 32752, 36846, 37113, 38364, 40032, 49128, 49484, 51152, 57546, 65504, 73692, 74226, 76728, 98256, 98968, 102304, 111339, 115092, 147384, 148452, 153456, 196512, 197936, 222678, 230184, 284533, 294768, 296904, 306912, 395872, 445356, 460368, 569066, 589536, 593808, 853599, 890712, 920736, 1138132, 1187616, 1707198, 1781424, 2276264, 2560797, 3414396, 3562848, 4552528, 5121594, 6828792, 9105056, 10243188, 13657584, 20486376, 27315168, 40972752, 81945504]

約数ペア:

[(1, 81945504), (2, 40972752), (3, 27315168), (4, 20486376), (6, 13657584), (8, 10243188), (9, 9105056), (12, 6828792), (16, 5121594), (18, 4552528), (23, 3562848), (24, 3414396), (32, 2560797), (36, 2276264), (46, 1781424), (48, 1707198), (69, 1187616), (72, 1138132), (89, 920736), (92, 890712), (96, 853599), (138, 593808), (139, 589536), (144, 569066), (178, 460368), (184, 445356), (207, 395872), (267, 306912), (276, 296904), (278, 294768), (288, 284533), (356, 230184), (368, 222678), (414, 197936), (417, 196512), (534, 153456), (552, 148452), (556, 147384), (712, 115092), (736, 111339), (801, 102304), (828, 98968), (834, 98256), (1068, 76728), (1104, 74226), (1112, 73692), (1251, 65504), (1424, 57546), (1602, 51152), (1656, 49484), (1668, 49128), (2047, 40032), (2136, 38364), (2208, 37113), (2224, 36846), (2502, 32752), (2848, 28773), (3197, 25632), (3204, 25576), (3312, 24742), (3336, 24564), (4094, 20016), (4272, 19182), (4448, 18423), (5004, 16376), (6141, 13344), (6394, 12816), (6408, 12788), (6624, 12371), (6672, 12282), (8188, 10008), (8544, 9591)]