690496480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 192

約数和(自身を含む): 1881169920

約数和(自身を除く): 1190673440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 160, 170, 190, 248, 272, 304, 310, 323, 340, 380, 431, 496, 527, 544, 589, 608, 620, 646, 680, 760, 862, 992, 1054, 1178, 1240, 1292, 1360, 1520, 1615, 1724, 2108, 2155, 2356, 2480, 2584, 2635, 2720, 2945, 3040, 3230, 3448, 4216, 4310, 4712, 4960, 5168, 5270, 5890, 6460, 6896, 7327, 8189, 8432, 8620, 9424, 10013, 10336, 10540, 11780, 12920, 13361, 13792, 14654, 16378, 16864, 17240, 18848, 20026, 21080, 23560, 25840, 26722, 29308, 32756, 34480, 36635, 40052, 40945, 42160, 47120, 50065, 51680, 53444, 58616, 65512, 66805, 68960, 73270, 80104, 81890, 84320, 94240, 100130, 106888, 117232, 131024, 133610, 139213, 146540, 160208, 163780, 200260, 213776, 227137, 234464, 253859, 262048, 267220, 278426, 293080, 320416, 327560, 400520, 427552, 454274, 507718, 534440, 556852, 586160, 655120, 696065, 801040, 908548, 1015436, 1068880, 1113704, 1135685, 1172320, 1269295, 1310240, 1392130, 1602080, 1817096, 2030872, 2137760, 2227408, 2271370, 2538590, 2784260, 3634192, 4061744, 4315603, 4454816, 4542740, 5077180, 5568520, 7268384, 8123488, 8631206, 9085480, 10154360, 11137040, 17262412, 18170960, 20308720, 21578015, 22274080, 34524824, 36341920, 40617440, 43156030, 69049648, 86312060, 138099296, 172624120, 345248240, 690496480]

約数ペア:

[(1, 690496480), (2, 345248240), (4, 172624120), (5, 138099296), (8, 86312060), (10, 69049648), (16, 43156030), (17, 40617440), (19, 36341920), (20, 34524824), (31, 22274080), (32, 21578015), (34, 20308720), (38, 18170960), (40, 17262412), (62, 11137040), (68, 10154360), (76, 9085480), (80, 8631206), (85, 8123488), (95, 7268384), (124, 5568520), (136, 5077180), (152, 4542740), (155, 4454816), (160, 4315603), (170, 4061744), (190, 3634192), (248, 2784260), (272, 2538590), (304, 2271370), (310, 2227408), (323, 2137760), (340, 2030872), (380, 1817096), (431, 1602080), (496, 1392130), (527, 1310240), (544, 1269295), (589, 1172320), (608, 1135685), (620, 1113704), (646, 1068880), (680, 1015436), (760, 908548), (862, 801040), (992, 696065), (1054, 655120), (1178, 586160), (1240, 556852), (1292, 534440), (1360, 507718), (1520, 454274), (1615, 427552), (1724, 400520), (2108, 327560), (2155, 320416), (2356, 293080), (2480, 278426), (2584, 267220), (2635, 262048), (2720, 253859), (2945, 234464), (3040, 227137), (3230, 213776), (3448, 200260), (4216, 163780), (4310, 160208), (4712, 146540), (4960, 139213), (5168, 133610), (5270, 131024), (5890, 117232), (6460, 106888), (6896, 100130), (7327, 94240), (8189, 84320), (8432, 81890), (8620, 80104), (9424, 73270), (10013, 68960), (10336, 66805), (10540, 65512), (11780, 58616), (12920, 53444), (13361, 51680), (13792, 50065), (14654, 47120), (16378, 42160), (16864, 40945), (17240, 40052), (18848, 36635), (20026, 34480), (21080, 32756), (23560, 29308), (25840, 26722)]