145387520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 104

約数和(自身を含む): 361714560

約数和(自身を除く): 216327040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 229, 248, 256, 310, 320, 458, 496, 512, 620, 640, 916, 992, 1024, 1145, 1240, 1280, 1832, 1984, 2048, 2290, 2480, 2560, 3664, 3968, 4096, 4580, 4960, 5120, 7099, 7328, 7936, 9160, 9920, 10240, 14198, 14656, 15872, 18320, 19840, 20480, 28396, 29312, 31744, 35495, 36640, 39680, 56792, 58624, 63488, 70990, 73280, 79360, 113584, 117248, 126976, 141980, 146560, 158720, 227168, 234496, 283960, 293120, 317440, 454336, 468992, 567920, 586240, 634880, 908672, 937984, 1135840, 1172480, 1817344, 2271680, 2344960, 3634688, 4543360, 4689920, 7269376, 9086720, 14538752, 18173440, 29077504, 36346880, 72693760, 145387520]

約数ペア:

[(1, 145387520), (2, 72693760), (4, 36346880), (5, 29077504), (8, 18173440), (10, 14538752), (16, 9086720), (20, 7269376), (31, 4689920), (32, 4543360), (40, 3634688), (62, 2344960), (64, 2271680), (80, 1817344), (124, 1172480), (128, 1135840), (155, 937984), (160, 908672), (229, 634880), (248, 586240), (256, 567920), (310, 468992), (320, 454336), (458, 317440), (496, 293120), (512, 283960), (620, 234496), (640, 227168), (916, 158720), (992, 146560), (1024, 141980), (1145, 126976), (1240, 117248), (1280, 113584), (1832, 79360), (1984, 73280), (2048, 70990), (2290, 63488), (2480, 58624), (2560, 56792), (3664, 39680), (3968, 36640), (4096, 35495), (4580, 31744), (4960, 29312), (5120, 28396), (7099, 20480), (7328, 19840), (7936, 18320), (9160, 15872), (9920, 14656), (10240, 14198)]