80429440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 128

約数和(自身を含む): 236819520

約数和(自身を除く): 156390080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1381, 1456, 1664, 1820, 2080, 2240, 2762, 2912, 3640, 4160, 4480, 5524, 5824, 6905, 7280, 8320, 9667, 11048, 11648, 13810, 14560, 17953, 19334, 22096, 27620, 29120, 35906, 38668, 44192, 48335, 55240, 58240, 71812, 77336, 88384, 89765, 96670, 110480, 125671, 143624, 154672, 176768, 179530, 193340, 220960, 251342, 287248, 309344, 359060, 386680, 441920, 502684, 574496, 618688, 628355, 718120, 773360, 883840, 1005368, 1148992, 1237376, 1256710, 1436240, 1546720, 2010736, 2297984, 2513420, 2872480, 3093440, 4021472, 5026840, 5744960, 6186880, 8042944, 10053680, 11489920, 16085888, 20107360, 40214720, 80429440]

約数ペア:

[(1, 80429440), (2, 40214720), (4, 20107360), (5, 16085888), (7, 11489920), (8, 10053680), (10, 8042944), (13, 6186880), (14, 5744960), (16, 5026840), (20, 4021472), (26, 3093440), (28, 2872480), (32, 2513420), (35, 2297984), (40, 2010736), (52, 1546720), (56, 1436240), (64, 1256710), (65, 1237376), (70, 1148992), (80, 1005368), (91, 883840), (104, 773360), (112, 718120), (128, 628355), (130, 618688), (140, 574496), (160, 502684), (182, 441920), (208, 386680), (224, 359060), (260, 309344), (280, 287248), (320, 251342), (364, 220960), (416, 193340), (448, 179530), (455, 176768), (520, 154672), (560, 143624), (640, 125671), (728, 110480), (832, 96670), (896, 89765), (910, 88384), (1040, 77336), (1120, 71812), (1381, 58240), (1456, 55240), (1664, 48335), (1820, 44192), (2080, 38668), (2240, 35906), (2762, 29120), (2912, 27620), (3640, 22096), (4160, 19334), (4480, 17953), (5524, 14560), (5824, 13810), (6905, 11648), (7280, 11048), (8320, 9667)]