140276240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 383308800

約数和(自身を除く): 243032560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 229, 247, 248, 260, 304, 310, 380, 403, 458, 494, 496, 520, 589, 620, 760, 806, 916, 988, 1040, 1145, 1178, 1235, 1240, 1520, 1612, 1832, 1976, 2015, 2290, 2356, 2470, 2480, 2945, 2977, 3224, 3664, 3952, 4030, 4351, 4580, 4712, 4940, 5890, 5954, 6448, 7099, 7657, 8060, 8702, 9160, 9424, 9880, 11780, 11908, 14198, 14885, 15314, 16120, 17404, 18320, 19760, 21755, 23560, 23816, 28396, 29770, 30628, 32240, 34808, 35495, 38285, 43510, 47120, 47632, 56563, 56792, 59540, 61256, 69616, 70990, 76570, 87020, 92287, 113126, 113584, 119080, 122512, 134881, 141980, 153140, 174040, 184574, 226252, 238160, 269762, 282815, 283960, 306280, 348080, 369148, 452504, 461435, 539524, 565630, 567920, 612560, 674405, 738296, 905008, 922870, 1079048, 1131260, 1348810, 1476592, 1753453, 1845740, 2158096, 2262520, 2697620, 3506906, 3691480, 4525040, 5395240, 7013812, 7382960, 8767265, 10790480, 14027624, 17534530, 28055248, 35069060, 70138120, 140276240]

約数ペア:

[(1, 140276240), (2, 70138120), (4, 35069060), (5, 28055248), (8, 17534530), (10, 14027624), (13, 10790480), (16, 8767265), (19, 7382960), (20, 7013812), (26, 5395240), (31, 4525040), (38, 3691480), (40, 3506906), (52, 2697620), (62, 2262520), (65, 2158096), (76, 1845740), (80, 1753453), (95, 1476592), (104, 1348810), (124, 1131260), (130, 1079048), (152, 922870), (155, 905008), (190, 738296), (208, 674405), (229, 612560), (247, 567920), (248, 565630), (260, 539524), (304, 461435), (310, 452504), (380, 369148), (403, 348080), (458, 306280), (494, 283960), (496, 282815), (520, 269762), (589, 238160), (620, 226252), (760, 184574), (806, 174040), (916, 153140), (988, 141980), (1040, 134881), (1145, 122512), (1178, 119080), (1235, 113584), (1240, 113126), (1520, 92287), (1612, 87020), (1832, 76570), (1976, 70990), (2015, 69616), (2290, 61256), (2356, 59540), (2470, 56792), (2480, 56563), (2945, 47632), (2977, 47120), (3224, 43510), (3664, 38285), (3952, 35495), (4030, 34808), (4351, 32240), (4580, 30628), (4712, 29770), (4940, 28396), (5890, 23816), (5954, 23560), (6448, 21755), (7099, 19760), (7657, 18320), (8060, 17404), (8702, 16120), (9160, 15314), (9424, 14885), (9880, 14198), (11780, 11908)]