77969920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 225878400

約数和(自身を除く): 147908480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 229, 256, 266, 280, 304, 320, 380, 448, 458, 512, 532, 560, 608, 640, 665, 760, 896, 916, 1064, 1120, 1145, 1216, 1280, 1330, 1520, 1603, 1792, 1832, 2128, 2240, 2290, 2432, 2560, 2660, 3040, 3206, 3584, 3664, 4256, 4351, 4480, 4580, 4864, 5320, 6080, 6412, 7328, 8015, 8512, 8702, 8960, 9160, 9728, 10640, 12160, 12824, 14656, 16030, 17024, 17404, 17920, 18320, 21280, 21755, 24320, 25648, 29312, 30457, 32060, 34048, 34808, 36640, 42560, 43510, 48640, 51296, 58624, 60914, 64120, 68096, 69616, 73280, 85120, 87020, 102592, 117248, 121828, 128240, 139232, 146560, 152285, 170240, 174040, 205184, 243656, 256480, 278464, 293120, 304570, 340480, 348080, 410368, 487312, 512960, 556928, 586240, 609140, 696160, 820736, 974624, 1025920, 1113856, 1218280, 1392320, 1949248, 2051840, 2227712, 2436560, 2784640, 3898496, 4103680, 4873120, 5569280, 7796992, 9746240, 11138560, 15593984, 19492480, 38984960, 77969920]

約数ペア:

[(1, 77969920), (2, 38984960), (4, 19492480), (5, 15593984), (7, 11138560), (8, 9746240), (10, 7796992), (14, 5569280), (16, 4873120), (19, 4103680), (20, 3898496), (28, 2784640), (32, 2436560), (35, 2227712), (38, 2051840), (40, 1949248), (56, 1392320), (64, 1218280), (70, 1113856), (76, 1025920), (80, 974624), (95, 820736), (112, 696160), (128, 609140), (133, 586240), (140, 556928), (152, 512960), (160, 487312), (190, 410368), (224, 348080), (229, 340480), (256, 304570), (266, 293120), (280, 278464), (304, 256480), (320, 243656), (380, 205184), (448, 174040), (458, 170240), (512, 152285), (532, 146560), (560, 139232), (608, 128240), (640, 121828), (665, 117248), (760, 102592), (896, 87020), (916, 85120), (1064, 73280), (1120, 69616), (1145, 68096), (1216, 64120), (1280, 60914), (1330, 58624), (1520, 51296), (1603, 48640), (1792, 43510), (1832, 42560), (2128, 36640), (2240, 34808), (2290, 34048), (2432, 32060), (2560, 30457), (2660, 29312), (3040, 25648), (3206, 24320), (3584, 21755), (3664, 21280), (4256, 18320), (4351, 17920), (4480, 17404), (4580, 17024), (4864, 16030), (5320, 14656), (6080, 12824), (6412, 12160), (7328, 10640), (8015, 9728), (8512, 9160), (8702, 8960)]