690590720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 176

約数和(自身を含む): 1807910400

約数和(自身を除く): 1117319680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 229, 248, 256, 304, 310, 320, 380, 458, 496, 512, 589, 608, 620, 640, 760, 916, 992, 1024, 1145, 1178, 1216, 1240, 1280, 1520, 1832, 1984, 2290, 2356, 2432, 2480, 2560, 2945, 3040, 3664, 3968, 4351, 4580, 4712, 4864, 4960, 5120, 5890, 6080, 7099, 7328, 7936, 8702, 9160, 9424, 9728, 9920, 11780, 12160, 14198, 14656, 15872, 17404, 18320, 18848, 19456, 19840, 21755, 23560, 24320, 28396, 29312, 31744, 34808, 35495, 36640, 37696, 39680, 43510, 47120, 48640, 56792, 58624, 69616, 70990, 73280, 75392, 79360, 87020, 94240, 97280, 113584, 117248, 134881, 139232, 141980, 146560, 150784, 158720, 174040, 188480, 227168, 234496, 269762, 278464, 283960, 293120, 301568, 348080, 376960, 454336, 539524, 556928, 567920, 586240, 603136, 674405, 696160, 753920, 908672, 1079048, 1113856, 1135840, 1172480, 1348810, 1392320, 1507840, 1817344, 2158096, 2227712, 2271680, 2697620, 2784640, 3015680, 3634688, 4316192, 4455424, 4543360, 5395240, 5569280, 7269376, 8632384, 9086720, 10790480, 11138560, 17264768, 18173440, 21580960, 22277120, 34529536, 36346880, 43161920, 69059072, 86323840, 138118144, 172647680, 345295360, 690590720]

約数ペア:

[(1, 690590720), (2, 345295360), (4, 172647680), (5, 138118144), (8, 86323840), (10, 69059072), (16, 43161920), (19, 36346880), (20, 34529536), (31, 22277120), (32, 21580960), (38, 18173440), (40, 17264768), (62, 11138560), (64, 10790480), (76, 9086720), (80, 8632384), (95, 7269376), (124, 5569280), (128, 5395240), (152, 4543360), (155, 4455424), (160, 4316192), (190, 3634688), (229, 3015680), (248, 2784640), (256, 2697620), (304, 2271680), (310, 2227712), (320, 2158096), (380, 1817344), (458, 1507840), (496, 1392320), (512, 1348810), (589, 1172480), (608, 1135840), (620, 1113856), (640, 1079048), (760, 908672), (916, 753920), (992, 696160), (1024, 674405), (1145, 603136), (1178, 586240), (1216, 567920), (1240, 556928), (1280, 539524), (1520, 454336), (1832, 376960), (1984, 348080), (2290, 301568), (2356, 293120), (2432, 283960), (2480, 278464), (2560, 269762), (2945, 234496), (3040, 227168), (3664, 188480), (3968, 174040), (4351, 158720), (4580, 150784), (4712, 146560), (4864, 141980), (4960, 139232), (5120, 134881), (5890, 117248), (6080, 113584), (7099, 97280), (7328, 94240), (7936, 87020), (8702, 79360), (9160, 75392), (9424, 73280), (9728, 70990), (9920, 69616), (11780, 58624), (12160, 56792), (14198, 48640), (14656, 47120), (15872, 43510), (17404, 39680), (18320, 37696), (18848, 36640), (19456, 35495), (19840, 34808), (21755, 31744), (23560, 29312), (24320, 28396)]